Reporter it is also a this massive crowd behind me. Scott, on immigration, pope francis has been blunt. Calling for the end to death and his choice of location along the border is a clear message to not only mexico but the u. S. Manuel, thanks. Campaigning today in South Carolina, donald trump said that waterboarding is not severe enough in the effort to pry the truth out of suspected terrorists. And from the sound of it, he and his chief rival ted cruz might like to try it on each other. In campaigns that seem unable to break out of a cycle of name calling. Major garrett is in South Carolina. Donald, i would encourage you if you want to file a lawsuit, challenging this ad claiming it ted cruz scoffed at donald trump for threatening to sue over this ad from the cruz campaign. I am prochoice in every respect. Mr. Trump sent me a legal cease and desist letter saying stop telling the voters my record. That is objectively legally frivolous. Trump fired back calling cruz desperate the i am prolife the i do not support taxpayer funding for planned parenthood as theyre performing abortion the gop frontrunner said in a statement. Trump called cruz a liar all week. He also threat tuned sue cruz over eligibility to run for president given canadian birth. On another legal issue, trump said today he would defy Geneva Convention prohibitions and use torture to fight terrorism. Torture works, okay, torture, torture doesnt work. Belief me it works. What do you thing of waterboarding, fine. We should go much stronger than marco rubio, polling behind trump and cruz, won the endorsement of South Carolina governor nikki haley. If we elect marco rubio, every day will be a great day in america. A blow to jeb bush whose brother, george w. Bush met privately with haley monday. Trump picked up endorsement of the low country sportsman today. Influential hunting and fishing group. The group backed the 2012 South Carolina republican primary winner newt gingrich. The republican vote in South Carolina is on saturday. Major, thank you. Three days before the democratic caucuses in nevada, the race is as tight as it can be. In a new poll out today, clinton 4. Sanders 47. We spent a day with sanders last week, and well do the same with clinton tomorrow. At least 28 people were killed today, more than 60 wounded after a bomb hit a military convoy in turkeys no group claimed responsibility. Turkey is fighting a longrunning insurgency with kurdish rebels. Separately today t. Turkey shelled kurdish troops in syria. Fresh evidence that last weeks ceasefire signed by the u. S. , russia and others never had a chance. Russian war planes are clearing the way for the assad dictatorship to overrun the rebels. The fiveyearold civil war created the chaos that led to isis. And Holly Williams is following this desperate fight. Reporter from bep neath the rubble of a shattered building a little boy waves his hand, telling rescue workers he is still alive. Second later they free him. Bloodied, but breathing. They also dig frantically for a baby. But when they get to this child, its too late. We cant independent leap verify but they aper to show the syrian regimes new offensive in aleppo province which is backed by russian air strikes. Hassan haj ali, a rebel commander who told us his men have received weapons from the u. S. And are trying to fight off the assault. When the regime kills women and children, he told us, theyre telling syrians to get out of rebel held areas. As the regime and russia bombard aleppo province, the battlefield there has become even more chaotic. Now there is evidence that groups supported by the u. S. Have started to fight each other. As they vie for territory. Hassan haj ali with u. S. Backed commanders told us theyre clashing with kurdish fighters receives american support. Our american friend said they would put pressure on the kurd to stop the clashes he told us. But there is no sign that has happened. The glimmer of good news from syria today is that aid convoys carrying food and medicine, made it into places where people have been cut off by fighting. And, scott, one of the towns is media where we have seen reports of people starving to death. Holly williams on the Syrian Border for us tonight. Holly, thank you. An old Battery Recycling plant has left a neighborhood contaminated with lead. Years after a devastating war wound, a veteran battles congress and the va. The cbs overnight news will be right back. I think we shouldve taken a left at the river. Tarzan know where tarzan go tarzan does not know where tarzan go. Hey, excuse me, do you know where the waterfall is . No, me tarzan, why dont you want to just ask somebody . If youre a couple, you fight over directions. Its what you do. If you want to save fifteen percent or more on car insurance, its what you do. Do you have to do thattright in my ear . Mike . Janet . Cough if you can hear me. Dont even think about it. I took mucinex dm for my phlegmy cough. Yeah. But what about mike . He has that dry scratchy guess what . Cough guess what . It works on his cough too. What . Stop dont pull me spoiler alert she doesnt make it only mucinex dm relieves both wet and dry coughs for 12 hours with two medicines in one pill. Start the relief. Ditch the misery. Lets end this. sounds of birds whistling music introducing new ky touch gel cr for massage and intimacy. Every touch, gently intensified. A little touch is all it takes. Ky touch. Degree motionsense is the worlds first deodorant activated by movement. As you move, fragrance capsules burst to release extra freshness all day. Motionsense. Protection to keep you moving. Today, governor jerry brown asked the California Legislature for 176 million to clean up a toxic mess near los angeles. The exide Battery Recycling plant shut down in 2014, but it left dangerous lead in the soil. Amelia vallejo no longer allows her kids to play in the yard. I didnt know i was harping my kids. Reporter her home sits a mile north of Exide Technology environmental agencies the smokestacks were spewing Dangerous Levels of lead and arsenic particles into nearby communities for years. Vallejos property tested positive for lead at 1500 parts per million above levels for Hazardous Waste by california state standard. Several member of her family suffer from Serious Health conditions often associated with lead poisoning including her 5yearold disabled son. I feel like my whole family has been taken advantage. But yet, were not getting the proper help. It is taking quite a bit of time. And once again the damage has been done. Reporter since 1981, Exide Technologies recycled car batteries in vernon, california, using a temporary permit which allowed them to side step strict state Hazardous Waste laws for 30 years. During that time the company was cited by Californias Department of toxic substances at least 10 times. Fines. Last year to avoid criminal prosecution, exide made a deal with the federal government to shut down and set aside 9 million in a trust for cleanup. I see this as a big Environmental Justice issue. Los angeles county supervisor, has been pushing the state to do more for months. She says todays 176 million plan is a start but may not be enough to make these families whole again. I think the stay failed them. I think exide failed them. Reporter state Officials Say this size of a cleanup including the plant and surrounding homes could take over 176 million. They wont know an exact amount until they get started. Scott, that is a process that could take several years to finish. Maria, thank you. A man loses a wallet and gets ater explaining why he is not getting it back. When Riley Flaherty lost his wallet in new york he thought he would never see it again. And he wont. The other day the person who found it mailed flaherty his license and credit card with a letter explaining i kept the cash because i needed weed. The subway fare is 2. 75. And the wallet, because the it is kind of cool. He may not be honest at least he is honest about it. Flaherty was upset at nonmuss rider kept his mr. Shinys shoe shine loyalty card because he said, i almost had a free shine. We end tonight with a soldiers story. Long after his war ended he is still fighting for his dreams and for hundred of wounded comrades. Heres david martin. Reporter losing a leg in afghanistan was not about to stop kevin jaye from marrying lauren belamode last august. Another wound cast a cloud of doubt over their vows. I am looking forward to every day i have with you watching us grow from just the two of us to a family that we have always dreamed of. Reporter the roadside bomb that took kevins leg also blew away one of his testicles and damaged the other. Yeah. Any place but there . When guys get hurt. Dont even tell me. Reporter they went to see, dr. Jason bromer of the shade yo grove clinic. He does make testosterone and some sperm, but far less than the average. And not enough for them to be able to conceive naturally. Reporter bromer performed in veto fertilization using a needle to inject kevins sperm directly into one of laurens eggs in the laboratory. It didnt work. After a second try, lauren tested with a home pregnancy kit. Like, 4 00, 5 00 in the morning. I woke him up. I am pregnant. I am pregnant. Reporter thats how you wok up . It was very exciting. Probably the best wakeup call you could ever in the history of wakeup calls. Reporter a sonogram confirmed it. They could see their babys heartbeating. We got one baby. We have one heartbeat. Reporter okay. You know some of the guys are some of your guys . Your sperm. Working the way it should be. Reporter you have been very, open in what in most couples lives is a very, very private thing. Why are you being so open . We are frying to change, you know a law in congress to allow other guys in my situation, to be able to have the family that they want, family of their dreams, and not break the bank. Reporter thats right, a current law that is the product of antiabortion politics prohibits the department of veteran affairs from covering in veto fertilization from any of uh the estimated 100 veterans who have suffered damage to. They were able to afford the 25,000 cost because her job as a teacher comes with Health Insurance that covers in vitro fertilization. Our hope is to be able to change the law. We are not really looking for handouts or anything like that. Kevin and lauren are expecting theyre baby in august. But they have done it without which sent him to war. Davi martin, cbs news, frederick, maryland. Thats the cbs overnight news for this thursday. For some of you the news continues. For others, check back with us a little bit later for the morning news. And cbs this morning. From the Broadcast Center in new york city. Im scott pelley. Welcome to the overnight news. Im michelle miller. Balance between privacy and security is pitting Silicon Valley against the u. S. Government. Apple is resisting a federal judges order to help the fbi unlock an iphone used by one of the shooters in the San Bernardino terror attack. Heres jeff pegues. Reporter the tech giant isnt backing down and is raising the stakes by accusing the government of asking apple to actually hack into its own users and undermine decades of apple insists this is a debate over privacy, versus security. More than two months after syed farook and his wife malik, killed 14 in a deadly terror attack the fbi says it is missing a key piece of evidence. San bernardino, very important investigation to us. We still have one of the killers phones we have not been able to open. Reporter the phone is locked with a passcode. The government believes auto erase feature is turned on, meaning all information on the device would be deleted after several incorrect password attempts. Tuesdays ruling requires apple to disable the auto erase function on farooks phone and enable the fbi to submit pass code to unlock the phone. But the tech company is fighting back in an online letter. Ceo tim cook writes. The u. S. Government is asked us for something we simply do not have. And something we kid too dangerous to create. They have asked us to build a in the wrong hands, this software which does not exist today would have potential to unlock any iphone in someones physical possession. Cook previously defended apples encryption techniques with char low rose. When we design a new service, we try not to collect data. So, were not reading your email. We are not reading your imessage. If the government laid a subpoena on us to get your imessages we cant provide it, it is encrypted we dont have the key. Reporter the government says hacking the iphone could provide Key Information on who the couple communicated with and where they were before and after the shooting. On its face this case may sound like it is about unlocking a cell phone its about encryption and how information is protected. For a year, fbi director james comey has been asking the tech it isnt just affecting National Security investigations but local police are running into encryption roadblocks when it comes to solving murder cases as well. The pentagon is also trying to improve cooperation with technology companies. Charlie rose discussed encryption debate with defense secretary ash carter. The conversation took place before apples response. So if apple says it is encrypted we cant help you. What do you say . Well, im not talking about, to apple now, within our own Intelligence System with respect to the companies, we have to, we, there is for frz a situation charlie. You and i have talked about this before. Where i am trying to build bridges between us and tech companies. Now i dont expect them to to do things to help us that, that compromise their business but i do want to have enough bridge. The tech sector. We can work, toward possible solutions to common problems. To watch more of charlie roses interview with defense secretary carter, go to our website at cbs news. Com. In campaign 2016. The first in the south primary is just two days away. Republican frontrunner, donald trump its expanding his lead in the polls ahead of saturdays vote in South Carolina. The billionaire candidate is also firing back at president obamas prediction that trump will not win the presidency. Here is major garrett. Reporter republicans dont take advice or cues from president obama especially true when picking a nominee. Even so the president weighed in dropping his prediction donald trump would not win the white house in the middle of the South Carolina primary. A comment that could boost support for trump among supporters who are eager to prove the president wrong and possibly even defy him. I dont think you are going this year. I dont mind. Let me read you what president obama said. Great compliment. Donald trump wore the president s prediction like a badge of honor. I continue to believe, mr. Trump will not be president. Wrapping up a summit with asian leaders in california, president obama said voter fatigue will halt trump any white house bid. Its not hosting a talk show. Or a reality show. Reporter mr. Obama did not predict g. O. P. Primary voters would necessarily sour on trump in fact he seemed to taunt them creating a general election where trump is the gop standard bearer. People venlt and t and express themselves, seems like entertainment, report the as entertainment. As you get closer, reality has a way of intruding. He has done such a lousy job as president. You are lucky i didnt run last time when romney ran. Because you would have been a one term president. Republicans chasing trump tried to reverse momentum here. I dont think mr. Trump has a plan other than he will be huge. When radical islamic terroristed wage jihad on the United States of america, the answer is not to tweet insults at them. On the other side of the campaign trail, democrats will vote in South Carolina a week from saturday. Hillary clinton and Bernie Sanders are competing for the support of africanamericans who make up more than half of the states electorate. Here is nancy cordes. Do you guys feel the bern . In atlanta, sanders teamed up with the rapper and joined hand with black ministers. We pray for Bernie Sanders. In harlem, clinton argued sanders was newcomer to the fight for racial equality. Time and say the right things and hope that is enough. We cant Start Building relationships a few weeks before a vote. Some of her congressional supporters have even questioned sanders claims he was part of the civil rights movement. But this video from 1963, apares to show a young sanders, resisting arrest in chicago. He was protesting in an africanamerican neighborhood that day over the citys plan to construct a school entirely out of mobile homes. Is it him . A sanders aide told cbs news he thinks so but isnt 100 sure. We are looking into it. We have got to end racism. Reporter at morehouse, historically black college in atlanta last night. Sanders said he would reform the criminal justice system. After my first term as president , we will not have more people in jail than any other country. [ cheers and applause ] already discussed race more frequently than then senator obama did during his 2008 president ial run. These inequities are wrong, but theyre also immoral. And it will be the mission of my presidency to bring them to an end. And well be right back. Of your game. You can support it by eating healthy, drinking fluids, and getting some rest. And you can combine these simple remedies with airborne. No other leading immunity brand gives you more vitamin c. Plus it has a specially crafted blend of 13 vitamins, minerals and herbs. So when you want to support your immune system, take airborne, and enjoy living well. Stress sweat. It can happen anytime to anyone. Stress sweat is different than ordinary sweat, it smells worse. Get 4 times the protection against stress sweat. With secret clinical strength pet moments are beautiful, unless you have allergies. Then your eyes may see it differently. Only flonase is approved toprelieve both itchy, watery eyes pand congestion. 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And apparently, the Worlds Largest land predator came to see us too. For me this is mind blowing. How rare is nice see here . Well it is pretty commen to see polar bears out here this time of year. But its not as comb men to see a big old male like that. Just come and lay down right next to the buggy. It is unreal. Yeah, pretty impressive sight. The buggy is a tundra buggy, cross between ape tour bus and monster truck. Reporter where steve amstrip does much of his work as chief scientist for polar bears international. A private group campaigning for the bears conservation. Oh, look at here. He is gifting up. Reporter so what do you what do you think when you see that . Well, you know, i have, i have been working with polar bears for for 35 years now. And i still, every time i see them its holy cow there is a real wild polar bear. Theyre just incredible creatures. Were near churchill, manitoba, remote Frontier Town that proudly calls itself the polar bear capital of the world. It is isolated to be sure. You cant even get to this town by road. But every fall these giants of wait for hudson bay to freeze back over. So they can start eating again. The polar bears main source of food is seal meat. The easiest way for the bears to hunt them is from the ice above. As their line grows on land another migration rolls up to watch. Freezing. Reporter a quiet stampede of eco tourists anxious to catch a glimpse of an animal whose future is as hotly debated as Climate Change itself. In the United States, we hatch list have listed polar bears as threatened species under the u. S. Endangered species act. They were listed as threatened not necessarily because of their current status, but because of what we anticipate their future status to be. Reporter and what he anticipates their future status might be has him worried but he knows not everyone is wringing their hand. 20,000 to 25,000 polar bears in the wild. To many that is a pretty sizable number. Some of the bears in the upper reaches of the arctic seem to be doing quite well. They lose a kilogram of body weight or two pound of body weight every day theyre on land. Reporter what concerns him the post are the bears here who he says are experiencing the effects of Climate Change right now. These guys are on land now. A whole month longer than they were 30 years ago. We could say, one population might be doing well now. But we know that soon all of the populations will have less sea ice than they do now. Some will have no sea ice. Those who track sea ice levels, National Snow and Ice Data Center say seasonal ice in the southernmost region of the polar bear habitat is already melting earlier and freezing later. On land longer and getting hungrier. How long has he gone without eating a full meal. They came ashore this year, i think, in about the middle of july. He really hasnt had much to eat since then. Reporter in november when we were there, the bears were spending most of their time lounging about frying to conserve energy. Which makes them pretty easy to find and photograph. Lets face it nothing makes for a better photo op than a scratching, relaxing, polar bear. While they look as friendly as they are fuzzy. Truth is theyre one of natures perfect killing machines. Their enormous size and strength are part of the allure. So many people have told me now, this is their bucket list. Kevin burke is one of churchills few locales and takes joy in showing tour tiss their frozen backyard. The bears are checking the ice. Lets check it out. He drives one of the tundra buggies. And a Company Providing bundled up enthusiasts a chance of a lifetime. Whoa. Oh, my gosh. Going after the other one. The bears dont seem to mind the intrusion. In fact many are downright curious of the tundra buggies. On occasion, too curious. A lot of times through years. I watched the bears. Theyre theyll push back. Theyll get on the ground. And look along like that. My opinion is, i dont think we smell all that appealing to them. We might not smell too appealing, but the food in town does. There are warning signs posted everywhere. Reminding the residents to beep bear aware as they call it. Theyre getting way too close. Yeah. This mom and her two cubs wandered right up behind us on a busy road just outside of town. Mike. Mike. Came within ape few feet of our camera. Only to be chased by a car of lookyloos back into the trees. Is it safe to walk around churchill . I would say it is safe to walk around churchill in the day. I wouldnt say so at night. Reporter a Manitoba Conservation officer. Right over here you can see them walking away from us. Yeah. His job to keep polar bears away from people. Which is a good sign. Good sign, yeah, we want that to happen. Reporter if it cant scare the nuisance bears away, well, they capture them. So back here is where we keep one of our traps. 50 , 60 of the bears. Year have been at this trap. The way ward bears are brought here, what locals call, polar bear jail. To make sure theyre not tempted to come back to town again, the bears are given no food. Just water. We dont want them to associate food to humans or to that building. We are going to hold them 30 days. 30 days closer to the time the ice is going to form on the bay when theyre going to go out and hunt seals. Also 30 days away from the problem behavior that it caused them to go there in the first place. When their sentence tis up, theyre tranquilized and air lifted back out into the ton tundra. Not lost on anyone here is the nose who travel all this way to witness all things polar bear. All of the tourists that show up here does that help or hurt . I think that for many people seeing something in person, seeing how things are now and hearing how they used to be, and seeing a magnificent species of the polar bear right in front of them suddenly they can become inspired in a way that they might never have become inspired before. You know, i studied polar bears adult life. Was predict that they were going to disappear. Talk about. To think that may might be gone. That. Stop it. I think we are. I think we are making progress. Was made at global Climate Change conference in paris. Representatives of 195 nation as greed for very first time to lower planet warming green house gasses. In the meantime, the polar bears here, and all around, the vast reaches of the arctic, will continue to do what they have always done. Survive the best they can. In whatever conditions are thrown their way. That release bursts of freshness all day. Motionsense. Protection to keep you moving. Degree. It wont let you down. sounds of birds whistling music introducing new ky touch gel cr me. Every touch, gently intensified. A little touch is all it takes. One day a rider made a decision. The decision to ride on and save money. He decided to save money by switching his motorcycle insurance to geico. Theres no shame in saving money. Ride on, ride proud. Geico motorcycle, great rates for great rides. Man sternly where do you think youre going . Mr. Mucus to work, with you. Its taco tuesday. Man youre not coming. I took mucinex to help get rid of my mucusy congestion. Im go od all day. [announcer ] mucinex keeps working. Not 4, not 6, but 12 hours. The country any most prestigious dog competition crowned a champion. A 3yearold german shorthaired pointer best in show at show. The win was an upset because another dog was favored to take the top prize. Us. Reporter one more time all the way around the German Shepherd rumor. Reporter as all seven purebred finalists strutted beauty and poise, the judge made up his mind. Best in show dog tonight. 2016 is the german short haired. The german short haired pointer. Reporter c. J. Traveled from california with Valerie Nunez atkinson. A great short hair. A great one. Definitely will go down in history and now. There were seven fabulous dogs out there. You couldnt go wrong any which way. Competition wasnt short on drama. The winner of the Herding GroupGerman Shepherd dog, 8. Reporter much of the spotlight had been on the crud favorite to win. A 4yearold german shepard named rumor. Before the finale, handler kent boyles was trying to keep the top ranked show dog from losing her cool. Really never dreamed we would have one that would be best in show. And go the way this one is. An amazing dog. Kind of turned out beyond our wildest imagination. Well done. One judge presides over best in show this years king maker dr. Richard maem. I was focusing on the expression on the face. Expression of the breed is really important. Each breed is unique has to have that expression. Reporter c. J. s coowner says at home he is just one of the pups. He is very serious. It is business. At home he is silly. He gets dirty. He has fun. He always has the to have something in his mouth. Always. Thats the sporting dog. The cbs overnight news will the popularity of greyhound racing slowing down for decades. Competition is hanging on in florida, but even there, the hound could be nearing their final finish line. David begnaud reports. Go reporter peter sires taking his daughter and grandchildren to the naples fort myers greyhound racing track for 20 years. On this day, the grandstands were nearly empty. I have seen a big decline in the attendance of their, i remember the crowd really reporter only 19 dog tracks remain in the u. S. 12 are in florida. Isadore havaneck owns two of them. Its an empty building. Reporter he says he loses 5 million a year running these races. But he says he has to in order to keep his more profitable poker business open. Florida law mandates it. We have to run 90 of the amount of racing we ran in 1996 to keep our poker room open. Reporter how many races do you have to run a year . Thousand of dog races. Reporter he supports decoupling the two businesses so he can run his poker rooms without racing the dogs. The executive director of gray 2 k, an organization working pew protect greyhound. Greyhound racing is cruel and inhumane. The dogs live in small cages for about 22 hours a day. The gauges are barely large enough for the degrees to stand greyhound racing. Stop today. Stop today. Turn in your permit. Reporter jack cory lobbies for the greyhound industry. He insists theyre well cared for. He blames decline on the track owners. Live greyhound racing is alive and well if the tracks wanted to promote it. If the tracks want to modernize it. And the Animal Rights group, all want to become slot casinos. The future of floridas 7,000 racing greyhound is actually buried in a gambling bill before the Florida Legislature right now. It may be voted on by the end of this month. Im david begnaud, in florida. Thats the cbs overnight news for this thursday. For some of you the news continues. For others check back a little later with us. For the morning news and cbs this morning. From the Broadcast Center here in new york city, im michelle the battle lines of privacy are drawn. Apple refuses a court order to hack the phone of the San Bernardino terrorists. Also tonight. Criminal hackers have seized a hospitals Computer System and theyre holding it for ransom. Trump talks up torture to fight terror. Torture works, okay, folks. And a veteran who saw so much death gets the gift of life. Probably the best wakeup call in the history of wakeup calls. So why wont the va pay for announcer this its the cbs overnight news. The war on terror and the right to privacy have collided. The fbi got a court order requiring apple to help investigators hack the iphone of one of the terrorists behind the San Bernardino massacre. But the head of apple is refusing the order. Heres jeff pegues. Reporter scott, tonight a top industry official tells cbs news apple could theoretically write software to comply with the judges order though it has never been done before. But apple says it is ready to appeal this ruling and take the fight all the way to the supreme court. Within hours of the ruling, apple ceo tim cook called the demand chilling and said it could lead to the tech giant being forcinged to build Surveillance Software to intercept your messages or even access your phones microphone or camera without your knowledge. Since syed farook and his wife malik killed 14 in a december shooting rampage in San Bernardino, california, the fbi electronic internet history. The bureau determined farook and malik sim pa thietzed with isis and islamic radicals. But the fbi has not been able to get into an iphone provided to farook by his employer which could provide key clues about his contacts and whereabouts. In court papers the fbi says the phone may show that farook was in communication with victims later killed. U. S. Magistrate sherri pemm ordered apple to figure out how to turn off auto erase feature which wipes out the phone after ten incorrect login attempts. Apples cook said developing that technology could create a back door to the iphone and there was no way to guarantee that it would only be used in this case. Law enforcement has been warning about the dangers of encryption more than a year. New York Police Commissioner bill bratton. Well are increasingly blind for terrorist purposes and for with the new deviced and continuing effort to make them more secure. Reporter apple says it has been cooperating with the fbi by providing information the couple backed up online. Scott, apple intend to file its appeal as early as next week. Jeff, thank you. If this case does go to the supreme court, it could define privacy for a generation. 60 minutes talked about this issue with fbi director james comey, and with apples ceo tim cook. On your smartfen on your iphone, likely health information, there is financial information, there are intimate conversations with your family or your coworkers, there is probably business secrets. Andup should have the ability to protect it. And, the only way we know how to do that is to encrypt it. Why its that . It is because if there is a way to get in, then somebody will there have been people that suggest that we should have a back door, but the reality is if you put a back door in, that back door is for everybody. For good guys and bad guys. The notion that we would market devices that would allow someone to place themselves beyond the law, troubles me a lot. I am a big supporter of the rule of law. But as a country, i dont know why we would want to put people beyond the law. That is sell cars with trunks that couldnt ever be opened by Law Enforcement with a court order or sell an apartment that could never be entered even by Law Enforcement. If the government lays a proper warrant on us today, then we will give the specific information that is requested. Because we have to by law. In the case of encrypted communication, we dont have it to give. Are encrypted we dont have access to those. I want to make sure as they do. Peoples privacy is protected. I dont want anybody going through my phone or looking at my pictures of my children. But i dont want to live in a country where the bad guys know there is a way for them to be absolutely beyond the law. In another case tonight, comeys fbi is leading the investigation of the hostage situation at a california hospital. But it is not people being held, its the Computer System. Carter evans is in los angeles. Reporter inside Hollywood Presbyterian Medical Center, computer screens have been dark since hackers took over the data network almost two weeks ago. Calls to the hospitals media line are met with this voice mail recording. We want to assure you that patient care at Hollywood Presbyterian Medical Center has not been compromised as we continue to address this reporter the attack used ransomware, Malicious Software that encrypts files which can be unlocked with a software key after a ransom is paid. In this case, according to a source familiar with the investigation, hackers demanded, and the hospital paid an undisclosed amount in the computer currency bit coin nearly impossible to trace. Since the attack, the Medical Center staff has resorted to pen and paper. And even fax machines for communications. The fbi confirmed the attack but decleaned to comment on its investigation. And scott, Hollywood Presbyterian Medical Center, has not responded to cbs news requests. Well, we saw a rare shortage of grace from pope francis last night. In mexico. Some one pulled him on top of a young person in a wheelchair. Watch this. The pope shouts dont be selfish. Tonight, francis is jumping into the fight over immigration. As he celebrates mass just across the rio grande from texas. And Manuel Bojorquez is there. Reporter his strongest stand yet in solidarity with migrants. This mass before 200,000 in juarez calling it a humanitarian crisis. Across the border in el paso, a crowd of 30,000 watched the mass, a symbolic event for two cities separated only by the rio grande. And connected here by a choir come the prized of people from both side come the prized of people from both side. Like americans, flor and anna garcia from el paso. We feel as part of both communities as we go back and forth often. Reporter the mother and daughter have seen the ravages of violence in juarez fueled by cartels and human smugglers. Problems pope francis is a dressing head on. Going to all the places people are struggling showing he is there, shows that even in the darkest moments there is the brightest light. Powerful moment for this massive crowd behind me. Scott, on immigration, pope francis has been blunt. Calling for the end to death and exploitation. His choice of location along the border is a clear message to not only mexico but the u. S. Manuel, thanks. Campaigning today in South Carolina, donald trump said that waterboarding is not severe enough in the effort to pry the truth out of suspected terrorists. And from the sound of it, he and his chief rival ted cruz might like to try it on each other. In campaigns that seem unable to break out of a cycle of name calling. Major garrett is in South Carolina. If you want to file a lawsuit, challenging this ad claiming it is defamation, file the lawsuit. Ted cruz scoffed at donald trump for threatening to sue over this ad from the cruz campaign. I am prochoice in every respect. Mr. Trump sent me a legal cease and desist letter saying stop telling the voters my record. That is objectively legally frivolous. Trump fired back calling cruz desperate the i am prolife the i do not support taxpayer funding for planned parenthood as theyre performing abortion the gop frontrunner said in a statement. Trump called cruz a liar all week. He also threat tuned sue cruz over eligibility to run for president given canadian birth. On another legal issue, trump said today he would defy Geneva Convention prohibitions and use torture to fight terrorism. Torture works, okay, torture, torture doesnt work. Belief me it works. What do you thing of we should go much stronger than water board. Marco rubio, polling behind trump and cruz, won the endorsement of South Carolina governor nikki haley. If we elect marco rubio, every day will be a great day in america. A blow to jeb bush whose brother, george w. Bush met privately with haley monday. Trump picked up endorsement of the low country sportsman today. Influential hunting and fishing group. The group backed the 2012 South Carolina republican primary winner newt gingrich. The republican vote in South Carolina is on saturday. Major, thank you. Three days before the the race is as tight as it can be. In a new poll out today, clinton 4. Sanders 47. We spent a day with sanders last week, and well do the same with clinton tomorrow. At least 28 people were killed today, more than 60 wounded after a bomb hit a no group claimed responsibility. Turkey is fighting a longrunning insurgency with kurdish rebels. Separately today t. Turkey shelled kurdish troops in syria. Fresh evidence that last weeks ceasefire signed by the u. S. , russia and others never had a chance. Russian war planes are clearing the way for the assad dictatorship to overrun the rebels. The fiveyearold civil war created the chaos that led to isis. And Holly Williams is following this desperate fight. Reporter from bep neath the rubble of a shattered building a little boy waves his hand, telling rescue workers he is still alive. Second later they free him. Bloodied, but breathing. They also dig frantically for a baby. But when they get to this child, its too late. These videos. But they aper to show the syrian regimes new offensive in aleppo province which is backed by russian air strikes. Hassan haj ali, a rebel commander who told us his men have received weapons from the u. S. And are trying to fight off the assault. When the regime kills women and children, he told us, theyre telling syrians to get out of rebel held areas. As the regime and russia bombard aleppo province, the battlefield there has become even more chaotic. Now there is evidence that groups supported by the u. S. Have started to fight each other. As they vie for territory. Hassan haj ali with u. S. Backed commanders told us theyre clashing with kurdish fighters receives american support. Our american friend said they would put pressure on the kurd to stop the clashes he told us. But there is no sign that has happened. The glimmer of good news from syria today is that aid convoys carrying food and medicine, made it into places where people have been cut off by fighting. And, scott, one of the towns is media where we have seen reports of people starving to death. Holly williams on the Syrian Border for us tonight. Holly, thank you. An old Battery Recycling plant has left a neighborhood contaminated with lead. Years after a devastating war wound, a veteran battles congress and the va. The cbs overnight news will be right back. Olay total effects a skin transformation that rivals the leading Department Store moisturizer. Revives skin to fight 7 signs of aging. With olay, you age less, so you can be ageless. sounds of birds whistling music introducing new ky touch gel cr me. For massage and intimacy. Every touch, gently intensified. A little touch is all it takes. Ky touch. Theres moving. And theres moving with move free ultra. It has tripleaction support for your joints, cartilage and bones. And unlike the big osteobi flex pills, its all in one tiny pill. Move free ultra. Degree motionsense is the worlds first deodorant activated by movement. Ou mov ce capsules burst to release extra freshness all day. Motionsense. Protection to keep you moving. Degree. It wont let you down. Your immune system on top of your game. By eating healthy, drinking fluids, and getting some rest. These simple remedies with airborne. No other leading immunity brand gives you more vitamin c. Plus it has a specially crafted blend of 13 vitamins, minerals and herbs. So when you want to support your immune system, take airborne, today, governor jerry brown asked the California Legislature for 176 million to clean up a toxic mess near los angeles. The exide Battery Recycling plant shut down in 2014, but it left dangerous lead in the soil. Amelia vallejo no longer allows her kids to play in the yard. I didnt know i was harping my kids. Reporter her home sits a mile north of Exide Technology environmental agencies the smokestacks were spewing Dangerous Levels of lead and arsenic particles into nearby communities for years. Vallejos property tested positive for lead at 1500 parts per million above levels for Hazardous Waste by california state standard. Several member of her family suffer from Serious Health conditions often associated with lead poisoning including her 5yearold disabled son. I feel like my whole family has been taken advantage. But yet, werenot getting the proper help. It is taking quite a bit of time. And once again the damage has been done. Reporter since 1981, Exide Technologies recycled car batteries in vernon, california, using a temporary permit which allowed them to side step strict during that time the company was cited by Californias Department of toxic substances at least 10 times. And issued over 1. 3 million in fines. Last year to avoid criminal prosecution, exide made a deal with the federal government to shut down and set aside 9 million in a trust for cleanup. I see this as a big Environmental Justice issue. Los angeles county supervisor, has been pushing the state to do more for months. She says todays 176 million plan is a start but may not be enough to make these families whole again. I think the stay failed them. I think exide failed them. Reporter state Officials Say this size of a cleanup including the plant and surrounding homes could take over 176 million. They wont know an exact amount until they get started. Scott, that is a process that could take several years to finish. Maria, thank you. A man loses a wallet and gets a letter explaining why he is not getting it back. When Riley Flaherty lost his wallet in new york he thought he would never see it again. And he wont. The other day the person who found it mailed flaherty his license and credit card with a letter explaining i kept the cash because i needed weed. The metro card because, well, the subway fare is 2. 75. Is kind of cool. He may not be honest at least he is honest about it. Flaherty was upset that the anonymous rider kept his mr. Shinys shoe shine loyalty card because he we end tonight with a soldiers story. Long after his war ended he is still fighting for his dreams and for hundred of wounded comrades. Heres david martin. Reporter losing a leg in afghanistan was not about to stop kevin jaye from marrying lauren belamode last august. Another wound cast a cloud of doubt over their vows. I am looking forward to every day i have with you watching us grow from just the two of us to a family that we have always dreamed of. Reporter the roadside bomb that took kevins leg also blew away one of his testicles and this is the wound guys are terrified snuff. Yeah. Any place but there . When guys get hurt. Dont even tell me. Reporter they went to see, dr. Jason bromer of the shade yo grove clinic. He does make testosterone and some sperm, but far less than the average. And not enough for them to be able to conceive naturally. Reporter bromer performed in veto fertilization using a needle to inject kevins sperm directly into one of laurens eggs in the laboratory. It didnt work. After a second try, lauren tested with a home pregnancy kit. Like, 4 00, 5 00 in the morning. I woke him up. I am pregnant. I am pregnant. Reporter thats how you wok up . It was very exciting. Probably the best wakeup call you could ever in the history of wakeup calls. Reporter a sonogram confirmed it. They could see their babys heart beating. We got one baby. We have one heartbeat. Reporter okay. You know some of the guys are some of your guys . Your sperm. Working the way it should be. Reporter you have been very, open in what in most couples lives is a very, very private thing. Why are you being so open . We are trying to change, you know a law in congress to allow other guys in my situation, to be able to have the family that they want, family of their dreams, and not break the bank. Reporter thats right, a current law that is the product of antiabortion politics prohibits the department of veteran affairs from covering in veto fertilization from any of uh the estimated 100 veterans who have suffered damage to. They were able to afford the 25,000 cost because her job as a teacher comes with Health Insurance that covers in vitro fertilization. Our hope is to be able to change the law. We are not really looking for handouts or anything like that. Kevin and lauren are august. But they have done it without any help from the government which sent him to war. David martin, cbs news, frederick, maryland. Thats the cbs overnight news for this thursday. For some of you the news continues. For others, check back with us a little bit later for the morning news. And cbs this morning. From the Broadcast Center in new york city. Im scott pelley. Welcome to the overnight news. Im michelle miller. Balance between privacy and security is pitting Silicon Valley against the u. S. Government. Apple is resisting a federal judges order to help the fbi unlock an iphone used by one of the shooters in the san heres jeff pegues. Reporter the tech giant isnt backing down and is raising the stakes by accusing the government of asking apple to actually hack into its own users and undermine decades of security advancements. Apple insists this is a debate over privacy, versus security. More than two months after syed farook and his wife malik, killed 14 in a deadly terror attack the fbi says it is missing a key piece of evidence. San bernardino, very important investigation to us. We still have one of the killers phones we have not been able to open. Reporter the phone is locked with a passcode. The government believes auto erase feature is turned on, meaning all information on the device would be deleted after several incorrect password attempts. Tuesdays ruling requires apple to disable the auto erase function on farooks phone and enable the fbi to submit pass code to unlock the phone. But the tech company is fighting ceo tim cook writes. The u. S. Government is asked us for something we simply do not have. And something we kid too dangerous to create. They have asked us to build a back door to the iphone. In the wrong hands, this software which does not exist today would have potential to unlock any iphone in someones physical possession. Cook previously defended apples encryption techniques with char low rose. When we design a new service, we try not to collect data. So, were not reading your email. We are not reading your imessage. If the government laid a subpoena on us to get your imessages we cant provide it, it is encrypted we dont have the key. Reporter the government says hacking the iphone could provide Key Information on who the couple communicated with and where they were before and after the shooting. Like it is about unlocking a cell phone its about encryption and how information is protected. For a year, fbi director james comey has been asking the Tech Industry for help in encryption. It isnt just affecting National Security investigations but local police are running into encryption roadblocks when it comes to solving murder cases as well. The pentagon is also trying to improve cooperation with charlie rose discussed secretary ash carter. The conversation took place before apples response. So if apple says it is encrypted we cant help you. What do you say . Well, im not talking about, to apple now, within our own Intelligence System with respect to the companies, we have to, we, there is a situation charlie. You and i have talked about this before. Where i am trying to build bridges between us and tech do things to help us that, that compromise their Business International competitive position. But i do want to have enough bridge. The tech sector. We can work, toward possible solutions to common problems. To watch more of charlie roses interview with defense secretary carter, go to our website at cbs news. Com. In campaign 2016. The first in the south primary is just two days away. Republican frontrunner, donald trump its expanding his lead in the polls ahead of saturdays vote in South Carolina. The billionaire candidate is also firing back at president obamas prediction that trmp will not win the presidency. Here is major garrett. Reporter republicans dont take advice or cues from president obama especially true when picking a nominee. Even so the president weighed in dropping his prediction donald trump would not win the white house in the middle of the South Carolina primary. A comment that could boost support for trump among supporters who are eager to prove the president wrong and i dont think you are going to be on his Christmas Card list this year. I dont mind. Let me read you what president obama said. Great compliment. Donald trump wore the president s prediction like a badge of honor. I continue to believe, mr. Trump will not be president. Wrapping up a summit with asian leaders in california, president obama said voter fatigue will halt trump any white house bid. Its not hosting a talk show. Or a reality show. Reporter mr. Obama did not predict g. O. P. Primary voters would necessarily sour on trump in fact he seemed to taunt them creating a general election where trump is the gop standard bearer. People vent and express themselves, seems like entertainment, report the as entertainment. As you get closer, reality has a way of intruding. He has done such a lousy job trump was equally dismissive. You are lucky i didnt run last time when romney ran. Because you would have been a one term president. Republicans chasing trump tried to reverse momentum here. I dont think mr. Trump has a plan other than he will be huge. When radical islamic terroristed wage jihad on the United States of america, the answer is not to tweet insults at them. On the other side of the campaign trail, democrats will vote in South Carolina a week from saturday. Hillary clinton and Bernie Sanders are competing for the support of africanamericans who make up more than half of the states electorate. Here is nancy cordes. Do you guys feel the bern . In atlanta, sanders teamed up with the rapper and joined hand with black ministers. We pray for Bernie Sanders. In harlem, clinton argued sanders was newcomer to the you cant show up election time and say the right things and hope that is enough. We cant Start Building relationships a few weeks before a vote. Some of her congressional supporters have even questioned sanders claims he was part of the civil rights movement. But this video from 1963, apares to show a young sanders, resisting arrest in chicago. He was protesting in an africanamerican neighborhood that day over the citys plan to construct a school entirely out of mobile homes. Is it him . A sanders aide told cbs news he thinks so but isnt 100 sure. We are looking into it. We have got to end racism. Reporter at morehouse, historically black college in atlanta last night. Sanders said he would reform the criminal justice system. After my first term as president , we will not have more people in jail than any other country. [ cheers and applause ] sanders and clinton have already discussed race more obama did during his 2008 president ial run. These inequities are wrong, but theyre also immoral. And it will be the mission of my presidency to bring them to an end. And well be right back. Important message for residents age 50 to 85. Write down this number now. Right now, people are receiving this free information kit for guaranteed acceptance Life Insurance with a rate lock through the Colonial Penn program. If you are on a fixed income, learn about affordable whole Life Insurance that guarantees your rate can never increase for any reason. If you did not receive your information, your acceptance is guaranteed, with no health questions. Stand by to learn more. Im alex trebek, here to tell you about a popular Life Insurance plan with a rate lock that locks in your rate for life so it can never increase. Did you get your free information kit . If not, please call this number now. 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But then out in all of that white, a pair of sleepy dark eyes slowly open. Revealing what we came all this way to see. And apparently, the Worlds Largest land predator came to see us too. For me this is mind blowing. How rare is nice see here . Well it is pretty common to see polar bears out here this time of year. But its not as common to see a big old male like that. Just come and lay down right next to the buggy. It is unreal. Yeah, pretty impressive sight. Reporter the buggy is a between a tour bus and monitor struck. 20 minutes. Reporter where steve amstrip does much of his work as chief scientist for polar bears international. A private group campaigning for the bears conservation. Oh, look at here. He is getting up. Reporter so what do you what do you think when you see well, you know, i have, i have been working with polar bears for for 35 years now. And i still, every time i see them its holy cow there is a real wild polar bear. Theyre just incredible creatures. Were near churchill, manitoba, remote Frontier Town that proudly calls itself the polar bear capital of the world. It is isolated to be sure. You cant even get to this town by road. The north come here in droves to wait for hudson bay to freeze back over. So they can start eating again. The polar bears main source of food is seal meat. The easiest way for the bears to hunt them is from the ice above. As their line grows on land another migration rolls up to watch. Freezing. Reporter a quiet stampede of eco tourists anxious to catch a glimpse of an animal whose future is as hotly debated as Climate Change itself. In the United States, we have listed polar bears as threatened species under the u. S. Endangered species act. They were listed as threatened not necessarily because of their current status, but because of what we anticipate their future status to be. Reporter and what he anticipates their future status might be has him worried but he knows not everyone is wringing their hand. The wild. To many that is a pretty sizable number. Some of the bears in the upper reaches of the arctic seem to be doing quite well. They lose a kilogram of body weight or two pound of body weight every day theyre on land. Reporter what concerns him the most are the bears here who he says are experiencing the effects of Climate Change right now. These guys are on land now. A whole month longer than they were 30 years ago. We could say, one population might be doing well now. But we know that soon all of the populations will have less sea ice than they do now. Some will have no sea ice. Those who track sea ice levels, National Snow and Ice Data Center say seasonal ice in the southernmost region of the polar bear habitat is already melting earlier and freezing later. On land longer and getting hungrier. How long has he gone without eating a full meal. They came ashore this year, i think, in about the middle of july. He really hasnt had much to eat since then. Reporter in november when we were there, the bears were spending most of their time lounging about frying to conserve energy. Which makes them pretty easy to find and photograph. Lets face it nothing makes for scratching, relaxing, polar bear. While they look as friendly as they are fuzzy. Truth is theyre one of natures perfect killing machines. Their enormous size and strength are part of the allure. So many people have told me now, this is their bucket list. Kevin burke is one of churchills few locales and their frozen backyard. The bears are checking the ice. Lets check it out. He drives one of the tundra buggies. And a Company Providing bundled up enthusiasts a chance of a lifetime. Whoa. Oh, my gosh. Going after the other one. The bears dont seem to mind the intrusion. In fact many are downright curious of the tundra buggies. On occasion, too curious. A lot of times through years. I watched the bears. Theyre theyll push back. Theyll get on the ground. And look along like that. My opinion is, i dont think we them. We might not smell too appealing, but the food in town does. There are warning signs posted everywhere. Reminding the residents to beep bear aware as they call it. We quickly found out why. Theyre getting way too close. Yeah. This mom and her two cubs wandered right up behind us on a busy road just outside of town. Mike. Mike. She came within a few feet of our camera. Only to be chased by a car of lookyloos back into the trees. Is it safe to walk around churchill . I would say it is safe to walk around churchill in the day. I wouldnt say so at night. Reporter a Manitoba Conservation officer. Right over here you can see them walking away from us. Yeah. His job to keep polar bears which is a good sign. Good sign, yeah, we want that to happen. Reporter if it cant scare the nuisance bears away, well, they capture them. 50 , 60 of the bears. Half the bears we capture this the way ward bears are brought here, what locals call, polar to make sure theyre not tempted to come back to town again, the bears are given no food. Just water. We dont want them to associate food to humans or to that building. We are going to hold them 30 days. 30 days closer to the time the ice is going to form on the bay when theyre going to go out and hunt seals. Also 30 days away from the problem behavior that it caused them to go there in the first place. When their sentence tis up, theyre tranquilized and air lifted back out into the ton tundra. Carbon footprint left behind by those who travel all this way to witness all things polar bear. All of the tourists that show up here does that help or hurt . I think that for many people seeing something in person, seeing how things are now and hearing how they used to be, and seeing a magnificent species of the polar bear right in front of them suddenly they can become inspired in a way that they might never have become inspired before. You know, i studied polar bears in alaska for for most of my adult life. And one of the last things i did was predict that they were going to disappear. Its a little hard for me to talk about. I dont want to think about that. So i want to do what i can to stop it. I think we are. I think we are making progress. Reporter most agree progress was made at global Climate Change conference in paris. Representatives of 195 nation as greed for very first time to lower planet warming green house gasses. In the meantime, the polar bears here, and all around, the vast reaches of the arctic, will continue to do what they have always done. Survive the best they can. In whatever conditions are thrown their way. 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No other leading immunity brand gives you more vitamin c. Plus it has a specially crafted blend of 13 vitamins, minerals and herbs. So when you want to support your immune system, take airborne, and enjoy living well. Music introducing new ky touch gel cr me. For massage and intimacy. Every touch, gently intensified. A little touch is all it takes. The country any most prestigious dog competition crowned a champion. A 3yearold german shorthaired pointer best in show at Westminster Kennel Club dog show. The win was an upset because another dog was favored to take the top prize. Don dahler breaks it down for us. Reporter one more time all the way around the German Shepherd rumor. Reporter as all seven purebred finalists strutted beauty and poise, the judge made up his mind. Best in show dog tonight. 2016 is the german short haired. The german short haired pointer. Reporter c. J. Traveled from california with Valerie Nunez atkinson. A great short hair. A great one. Definitely will go down in there were seven fabulous dogs out there. You couldnt go wrong any which way. Reporter the rough competition wasnt short on drama. The winner of the Herding GroupGerman Shepherd dog, 8. Reporter much of the spotlight had been on the crowd favorite to win. A 4yearold german shepard named rumor. Before the finale, handler kent boyles was trying to keep the top ranked show dog from losing her cool. Really never dreamed we would have one that would be best in show. And go the way this one is. An amazing dog. Kind of turned out beyond our wildest imagination. Well done. One judge presides over best in show this years king maker dr. Richard maem. I was focusing on the expression on the face. Expression of the breed is really important. Each breed is unique has to have that expression. Reporter c. J. s coowner says at home he is just one of he is very serious. It is business. At home he is silly. He is a there mall dog. He gets dirty. He has fun. He always has the to have something in his mouth. Always. The popularity of greyhound racing, the hound could be seeing their final finish line. David begnaud reports. Reporter taking his daughter and grandchildren to the naples fort myers greyhound racing track for 20 years. On this day the grandstands were nearly empty. Ive have seen a big decline in the attendance. I remember the crowds really only 19 dog tracks remain in the u. S. 12 are in florida. Izadore habnik owns two. Have a business seats thousands. Going to a dolphins game in december. Reporter he lose thes 5 million a year running the races. He says he has to in order to keep his more profitable poker business open. Florida law mandates it. We have to run 90 of the amount of racing we can in 1996 to keep our poker room open. How many races do you have to run ape year year . He supports decoupling the two businesses so he can run his poker rooms without racing the dogs. The executive director of gray 2 k, an organization working to protect greyhound. Greyhound racing is cruel, inhumane. The dogs live in small cages for 22 hours a day. The cages are barely large enough for the degree to stand up or turn around. Greyhound racing they could stop today. Stop today. Turn in your permit. Reporter he insists the dogs are well cared for and blames audience decline on track owners. Why greyhound racing is alive and well if the tracks wanted to promote it, if the tracks wanted to modernize it. The Animal Rights groups and greyhound tracks want slot casinos. Reporter it is buried in a gambling bill before the Florida Legislature right now. Captioning funded by cbs its thursday, february 18th, 2016. This is the cbs morning news. The thaw in u. S. Cuba forward. President obama will visit the island nation in nearly 90 years for the first in the nation