Conditions created by frigid temperatures overnight. The impact, nearly 1,200 flights in and out of chicago airports have been canceled so far, which is likely to impact air travel across the country today. And on the ground the full effect of the vastating storms and the massive cleanup ahead are just starting to unfold. Overnight, millions of americans hit hard as a deadly winter storm continues its march north. Torrential rains flooding the midatlantic to the northeast. The downpours creating flash floods, washing away cars and creating a mess for the d. C. Area. I thinking like i calledod to help me and prayed. Reporter in new york heavy winds overturned this truck on the George Washington bridge. This time lapse shows the ststm moving into o arlotte, north carolina. Strong winds toppling trees, homes and power lines there. More than 160,000 people without its the same system that spawned terrifying twisters. In virginia, a state of emergency in effect. A deadly tornado shredding homes, among the victims, a young child. The only thing we heard was a 2yearold baby y s found in the woods. Reporter that baby and two others pronounced dead. This is devastating. Reporter across the region more than 30 tornadoes in the last day alone, first tearing across louisiana destroying this rv park. God let us be okay. Let us get through this. Reporter and on the back side of this massive storm, blizzard conditions across the midwest. I iyou dont need to make the trip, dont make the trip today. Reporter in parts of illinois and indiana, nearly whiteout conditions making travel extra difficult. And that areb, by the way, is in for more snow today. Take a look, but its not expected to be quite as heavy with the snow showers continuing around the great lakes and temperatures will move back up in the midatlantic and northeast plan on mostlyry conditions although temperatures will be a bit cooler. Well, to politics now, the republicans preparing to face off in houston tonightht their final debate before super tuesday. After his landslide victory in nevada, donald trump is now tangling with mitt romney over his tax returns, but hes also trading jabs with the other gop candidates who a e struggling to catch up. Its your voice, your vote. We g g the latest from abcbc kenneth mototo good morning, kenneth. Reporter good morning, reena and kendis. It is a case of irony. Millionaire mitt romney was criticized in 2012 about his own tax returns but now hes making similar attacks against billionaire donald trump. Hours before Severe Weather ripped through virginia overnight, donald trump was on the ground rallying supporters, talking running mates. I io want somebody thats political because i want to get lots of great legislation that we all want passed. Reporter trump was a noshow for a republican town ll on fox news hosted by megyn kelly who had a very public feud with the gop frontrunner. The candidates lined up as they worked to take down trump. Conservative movement to be defined abobo i a nominee who isnt a conservative. Reporter all four promise to release tax returns this week after mitt romney called on them to do so. The 2012 gop nominee efen said he believes theres a quote bombshell in trumps taxes. When people decide they dont want to give you their taxes its usually because theres something they dont want you to see. Reporter trump went on the attack andweeted mitt romney who totally blew an election that should have been won and whose tax returns made him look like a fool is now playing tough guy. Well, hello. Alpha kappa alpha. Reporter fewer fireworks from the democratic side. Hillary clinton made her case at the sisters of aka ahead of saturdays South Carolina primary. Bernie sanders who is struggling with black voters there moved onon to super tuesday states drawing 9,000 people to his rally in tulsa, oklahoma. As for trumps taxes he says there is no bombshell other than he pays a lot. Tonight on cnn in the super tuesday state of texas where the governor just endorsed his senator, ted cruz. Ena and kendis. All right, its coming down the wire definitely for them. Abcs Kenneth Moton live in washington for us this morning, thank you. New developments this morning now in the standoff over president obamas pick for the supreme court. Sources tell abc newewthe president is considering a republican. Nevada governor Brian Sandoval as the nominee. Sandoval i a former federal judge who supports abortion rights. His nomination could be seen as an overture to republican lawmakers who vowed to block the president s choice. Top Senate Republicans will meet with the president next week. And access to abortion clinics may soon be limited in louisiana. A federal Appeals Court has refused to block a new law which advocates say y ll force clinics in the state to close. That law requires doctors who provide abortions to have admitting privileges at hospitals within 30 miles. Rights says it will take the case to the supreme court. Moving overseas now to syria where a ceasefire in the civil war is set to take effect saturday morning. It allows aid to reach remote areaea here at home there are growing calls to establish a socalled safe zone in Northern Syria if the ceasefire fails. John kerry told top lawmakers that such a zone would require up to 30,000 u. S. Ground troops to maintain. A new isis video in the meantime threatens the lives of facebook founder Mark Zuckerberg and jack dorsey, theheead of twitter. The 25minute video is too disturbing to show. It includes pictures of the e o men coveved in bullet holes. Isis says it is responding to efforts by facebook and twitter to suspend accounts and remove posts that promote terrorism. Well, still ahead, our exclusive with apple ceo tim cook speaking for e first time about apples legal showdown but first tearful testimony as erin andrews father says shes a shell of her former self after nude photos leakedonline. And america, were no longer home to the most billionaires so cayou guess which country has beat the u. S. . Make it a point to shop kohls. This thursday through monday . Because yes2you rewards members take an extra 20 off . And earn triple points no matter how you pay get a 5 reward fofo every 100 points. Plus everyone gets 10 kohls cash for every 50 spent you can earn and r deem rewards points and kohls cash throughout the store therers no better time to sign up . Anyone can its quick and its easy enroll, save and start racking up the points today kohls. Ive been claritin cleaeafor 14 days. When your allergy symptoms start. Doctors recommend taking one claritin every day of your allergy season. For continuous lief. Nondrowsy claritin, live claritin clear. Every day. Crisp garden vegetables. No artificial flavors. Philadelphia garden vegetable. Rich, creamy. And delicious nothing else tastes like philadelphia. My moderate to s sere chronic plaque psoriasis made a simple trip to the Grocery Store anything but simple. So finally, i had an important conversation with my dermatologist about humira. He explained that humira works inside my body to target and help block a specific source of inflammation that contributes to my symptoms. In clinical trials, most adults saw 75 skin clearance. And the majority were clear or almost clear in just 4 months. Humira can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections and cancers, including lymphoma, have happened; as have blood, liver, and nervous system problems, seseous allergic reactioio, before treatment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. Dont start humira if you have an infection. Ask your dermatologist about humira. Because with humira clearer skin is possible. Those charging elephants in africa were chasing arizona senator jeff flake and some othersrsuring their trip to last week during a boat ride a hippo showed off teeth. The purpose of his trip was to poaching. Well, new details in keshas legal battle. Denying that she ever had sexual relations with music producer dr. Luke. Kesha a suing claiming he sexually abuseseher and she wants out of her rececding contract. The video was taken during a deposition five years ago. A judge ruled friday that kesha must follow through on the contract but she doesnt have to work w wh dr. Luke. Kesha has garnerededupport from other top singers including taylor swift, lady gaga and just last night adele. Well, emotional testimony from the father of sportscaster erin andrews. Andrews choked up as her dad tearfully told the court that his daughter was a shell of her former self. He said all she did was cry after discovering a stalker had posted videos of her online. Andrews is suing David Michael barrett and the marriott for 75 million. Theyre mourning loss of nate kerrigan, a veteran Law Enforcement officer who died while carrying out a highrisk eviction. Which killed the homeowner. It was considered high risk after that homeowner posted online rants against the police. D in austin, texas, a Police Sniper who shot and killed an armed suspect will not be charged. Newly released video from a yeye ago shows 27yearold sawyer flash repeatedly firing at a Police Helicopter as it hovered over his house. Thats when the offifir moved in and shot him in the head. His two young daughters were sleeping inside. Well, the u. S. Is no longer home to the most billionaires in the world. That distinction now goes to china now. According to a newly released annual list, 90 new chinese billionaires moved to china moved china into first place by a margin of 33 billionaires. Beijing is the city with the most billionaires with 100. Thats five more than new york. See, donald trump is going to say, i was right all along. Its china. China. Well, when we come back, the exclusive interview with apples ceo tim cook arguing that their battle with the fbi isnt just over privacy, but security, as well. And promising new information regarding this what you need to know. To pay a rtgage, and ive also got a brain. Lifes short, talk is cheap. Ill be working while you sleep. Still dont think ive got a brain . You think a resumeos enough . Wholl step up when things get tough . Dont you want that kind of brain . A degree is a degree. Youre gonna want someone like me. But only if you have a brain. vo if you have type 2 diabetes, you may know what its like to deal with high. And low blood sugar. Januvia sitagliptin is a oncedaily pill that, along with diet and exercise, helps lower blood sugar. Januvia works when your blood sugar is high and works less when your blood sugar is low, because it works by enhancing your bodys own ability to lower blood sugar. Plus januvia, by itself, is not likely to cause weight gain or low blood sugar hypoglycemia . Januvia should not be used in patients with type 1 diabetes tell your doctor if you have a history of pancreatitis. Serious side effects can happen, including pancreatitis which may be severe and lead to death. Stop taking januvia and call your doctor right away if you have severe pain in your stomach area which may be pancreatitis. Tell your doctor right away and stop taking januvia if you have an allergic reaction that causes swelling of the face, lips, tongue, or throat, or affects your breathing or causes rash or hives. Kidney problems sometimes requiring dialysis have been reported. Some people may develop severe joint pain. Call your doctor if this happens. Using januvia with a sulfonylurea or insulin may cause low blood sugar. To rece the risk, your doctor may prescribe a lower dose of the sulfonylurea or insulin. Your doctor may do blood tests before and during treatment to check your kidneys. If you have kidney problems a lower dose may b bprescribed. Side effects may include upper rereiratory tract infection, stuffy or runny nose, sore throat, and headache. For help lowering your blood sugar janes always on the move. Luckily her light t fit protein smooooie can keep up with h r. Packed with 12grams of protein and no added sugar. So she can watch her calories and where shes going. Light fit feel free to enjoy. So, a passenger on board a plane captured this darkk image turbulent storm clouds swept up by a tornado that hit louisiana. The twister was part of that bigger deadly storm thats been tearing up parts of the south and midatlantic states. That same system is creating dicey conditions for this mornings commute. Watch out for icy or wet roads from the great lakes stretching uth to northern tennessee. To f fd airport delays today in detroit and boston. Well, now to that abc news exclusive. Apples ceo tim cooks first interview. Cook tells david muir that doing so would make hundreds of millions of customers vulnerable to hackers. Yes. The only way we know would be to write a piece of software that we view as sort of the software equivalent of cancer. We think its bad news to write. We would never write it. We have never written it, and that is what is at stake here. The fbi though says it believes that syed farook used that phone to communicate with his wife his accomplice and im curious, do you struggle at all with the possibility there could be information on that phone that could reveal other plot, other people who were involved in planning the San Bernardino attack . David,d,f we knew aay to that we havent already given, if we knew a way to do in that would not expose hundreds of millions of other people to issues, we would obviously do it. I want to get to what the fbi director james comey said. He said its not about a slippery quote but 14 were slaughtered and m my more had their lives ruined. Many the phone holds the clue but we cant look the survivorses in the eye or ourselves if we dont follow any possible lead out there. Do you understand where hes coming from. Incredibly complex issue to place a back door in the iphone. We believe it does put hundreds of millions of customers at risk. Theres probably more information about you on your house. Our smartphones are loaded with our intimate conversations, ow financial data, our health records, theyre also loaded with the location of our kids in many cases and so its not just abouou publicsafety. But this your quiet moments do you have any concern that you might be able to prevent a terrorist attack by breaking into that phone . David, some things are hard and some things are right and some things are both. This is one of those things. And in this case you believe there are some things that just should never be createte cocoect. Apple has until tomorrow to file its legal response to the case. In response to cooks comments the senior Government Official tells us the fbi wants apple to develop a way into the phone that will only be known to the company itself and no one else. As for cooks suggestion congress resolve the dispute the official claims that would take too long. Now to some encouraging news about t ts yeyes flu vaccine. Its doing better than last years vaccine. Preliminary information from the centers for Disease Control finds it is 59 effective. A big improvement over last Health Officials say that weve had a milder flu season this year, but they warn it hasas not peaked as yet. To a frightening scene caught on camera at a gas station in kentucky. An ecigarette battery exploded in a mans pocket. Josh hamilton was shocked when his pants burur into flames as he ran from the store in panic. A clerk followed him with a fire extinguisher and put out the flames. Hamilton suffered serious burns on his leg, but he is expected to be okay. Good to know hell be all right. Police in ohio are on the lookout for a man theyve dubbed the rogaine robber. The bald bandit is accused of stealing the hair growth drug from store shelves across the buckeye state. Cops say its likely hes trying to resell the stolen rogaine either online or at flea markets. They dont believe hes using any of the products on himself despite his bald head. Okay, well, coming up, coming back down to earth astronaut but not without helping us take a giant leap towards mars. Freshsh reaction to the News Facebook reaction to our favorite options that didnt make the cut. Ness. But i really love it. Im on the move all day long. And sometimes, i just dont eat the way i should. So i drink boost to get the nutrition that im missing. Boost complete nutritional drink has 26 essential vitamins and minerals, including calcium and vitamin d to support strong bones anan10 grams of proteinnto help maintain mususe. All with a great taste. I dont plan on slowing down any time soon. Look for savings on boost in your sunday per. Working on my feet all day gave me pain here. In my lower back but now, i step on this machine and get my number which matches my dr. Scholls custom fit orthotic inserts. Now i get immediate relief from my foot pain. My lower back pain. Find a machine at drscholls. Com jane likes to mix things up. Thats why shloves new light t greek nonfat yogurt mousse. New 80 calorie obsession. Topping our look at the the pulse our conversation with the man who spent nearly a year in space. Astronaut scott kelel is wrapping up his visis to the International Space station and returns to earth next tuesday. Okay, so among the insights he shared with our david kerley who covers transportation for us ththmonotony of beingooped up day after day, but there are the incredible sunsets and he doesnt mind the food but misses sitting down at a table to eat. He also talked about the ssibility of a tripp to mars. Think absolutely i feel i are challenges especially with radiation between the earth and mars that we need to work on, overcoming but its something i hope to see in my lifetime. I love his passion. By the way, nasa scientists are exploring the possibility that lasers could shorten the trip to the red planet to just three days. Wow, very cool. When kelly lands he and his twin brother mark of course, a retired astronaut will face a battery of tests to see how scotts body held up to 11 months of space compared to mark whos been down here on the ground. Itll be a huge homecoming. Reactionng to reactions getting used to the new button options. Those are them. The social media giant has completely revamped its Feedback System revamping its like button and expanding by adding the ability to love and you can also use a series of emojis including ha, ha and wow and sad face and what is sure to be the new im just glad theres no dislike button. I like the positivity than the negativity. There are some suggestions floating around ever since facebook made the move like this one that apparently says you are insufferable. You make me want to puke. How about cringe. This would work well for some of the things i see on my feed every day or how aboutut simply drunk. Drunk. Ive been drinking. Somebodys been drinking with that one. Okay, so we all have those Favorite Foods that we really dont like to share. Maybe a plate of french fries you plan to consume till the last one is gone. That includes this panda. Enjoying a fist food of bamboo root. The small one is thinking id like to take a bitit of that. Try snatching it away. Clearly that wont happen. See the foot that went up there. So the bigger one doesnt miss a beat fighting off the youngers advances. Wow. Hes going to smack him away. Doesnt want to share. Wow. That is how i am about pizza. Get your own. Your bamboo root is pizza. Yes. More news, folk, after this. Karl, dont you have friends coming over . Yeah, so . It stinks in here. Youve got to wash this whole room are you kidding . Wash it . Lets wash it with febreze. For all the things you cant wash, use. Febreze fabric refresher whoa hey mrs. Webber inhales hey, it smells nice in here and try pluggable febreze. To continuously eliminate odors for. Up to 45 days of freshness pluggable febreze and fabric refresher. [inhale exhale mnemonic]. , two more ways to breathe happy eucerin intensive repair doesnt just moisturize dry skin, with a unique triple action formula that exfoliates hydrates and fortifies skin. Leaving it looking healthy and radiant. With intensive repair, from eucerin. This is the joy for me. I love bread i love bread. I now just manage it, so i dont deny myself bread, i have bread everyday. Thats the genius of this program. Taking a look at our top story, donald trump firing back at mitt romney after romney challenged him to release his tax returns. Roroey believes there may be a bombshell in trumps taxes. In houston. A new isis video threatens Mark Zuckerberg and jack dorsey, the he of twittete isis says itt responding to antiterror efforts by the two tech giants. Nasty storms leave a path of destruction. Tornadoes killing at least four people in virginia while nearly a foot of wind and snow cause Flight Cancellations and impassable roads in the midwest. Looking at todays weather, dry and warming up in the west. Snow showers around the great lakes. Mostly dry in the east and deep its going to be kind of nice. Not bad at awe. Finally this morning as we count down to sunday nights oscars we take a glimpse behind the scenes. And when it all comes down to it it revolves around whats in the envelope. Brandi hitt. Reporter they are the best secret keepers in hollywood. Martha ruiz and brian cohen set to carry those famous briefcases. And the oscar goes to reporter holding the names. Has there ever been a mistake. No. Reporter Price Waterhouse coopers has counted the oscar ballots. 6,261 sent out on paper and online. We control everything from the time they go out indicated with security codes and those come back to us. We then have those in an un undisclosed location. R rorter inside that secret un undisclosed Location Security is tight. System by joe metyoejoe biometric locks, no Internet Access and theyre counted by hand. We make sure were going through their pile, counting that and recounting that. We will stuff the envelope, close it, seal it with the red. R rorter those 24 winning envelopes and a duplicate set are then loaded into two brief briefcases like this, both are locked in a vault until oscar sunday when ruiz and cohen enter their code and take their briefcase. Each then traveling a different route to the oscar red carpet escorted by los angeles police. No matter what happens, at least one of us will get there. Reporter do yououfeel like e 007 a little bit . I little bit. Reporter last year as a spoof they carried a third briefcase used by host Neil Patrick Harris and backstage they only hand the envelope to e presenter just seconds before the announcement. Is this the hardest secret to keep . The reality is, theres a secret we keep forevev and that is who got second. Reporter brandi hitt, abc news, los angeles. Very intriguing. Abc is the place to be on oscar night, sunday at 7 00 eastern the Cedar Rapids Police department is confirming the citys first homicide of the year. No word yet on any arrests. Cedar rapids mayor is proud of the citys revitalization since the 2008 flood. He says he sees a Bright Future for one area in particular. Some schools in cedar rapids have Health Clinics on the grounds for students and their families. Letting people know about the services is crucial. Good thursday morning its 430 on february 25th. Here is a live look at. First, meteorologis t kaj omara alert fofocast, kaj. Plan on a day similar to yesterday with lots of afternoon, a few more breaks may occur, but itll be chilly regardless. Plan on highs in the mid30s. Tomorrow, clouds should highs rebounding back to around 40. Theres no doubt some excitement about the weekend warmth, and for good reason. He saturday and papatly cloudy sky on sunday. A cold front will move through on sunday evening, but precipitation chances are extremely low at this time. The takeaway message for the weekend is this itll be fabulous. Another area of low pressure may affect the area around march 1st. Have a great day today turning partly cloudy high 3339 winds nw 1525 alo 35 dbq 34 iow 37tonight partly cloudy low 2430 winds nw 515 alo 25 dbq 26 iow 27tomorrow partly sunny high 3743 winds w 510 alo 40 dbq 38 iow 42tomorrow night mostly clear low 2632 winds sw 510 alo 29 dbq 27 iow 30 thanks kaj. Cedar rapids policare looking for multiple suspects in a