ago. as they look for clues and physical evidence recovered, we're hearing about another potential blind spot. over this one, whether authorities were able to look at tashfeen malik malik malik's posts on social media before she was given a visa to come to the united states. >> reporter: she wasn't shy about her quest for violent jihad on social media. american law enforcement officials told "the new york times" tashfeen malik supported it and said she wanted to be a part of it. fbi investigators now believe malik and syed farook were independently radicalized as early as 2010. malik's public social media posts may have been overlooked when hervey visa was processed. today fbi divers in san bernardino are seching ing the third day for evidence that they might have tried to destroy. authorities said no important evidence has been found in the lake so far. investigators also keeping a close eye on farook's friend enrique marquez, who is not a suspect. he has been providing information on the guns he bought for farook, who discussed a possible plot for another planned attack scuttled in 2012. a new investigation and an arrest in a fire bombing of a mosque in what many fear is another crime of hate. >> as far as we're concerned, it is an act of terrorism. the individual targeted us. we believe that it was targeted. >> reporter: a region on edge around san bernardino. the scars are still very real. a memorial wall met those mourning morning the 14 killed here at home. and in restaurants and town, the county replacing health inspection tickets that once born the signature of syed farook. today funeral services for two more victims. shannon johnson being remembered as a hero, a man who helped protect others in the last moments of his life. a new poll shows a big surge in iowa for senator ted cruz. the des moines register poll of likely republican caucus goes has cruz at the top with 41%. trump gets 21%. >> reporter: donald trump now trailing ted cruz by a whopping 10 points in iowa in the wake of his controversial call to ban all muslims from entering the u.s. today trump defended himself in south carolina. people coming in and walking down world trade centers and having what happened last week in california with these two people. >> reporter: with protesters trying to stop the event. praise from ted cruz on shaky ground. he's now questioning his judgment at a private fundraiser earlier this week. >> that's a question of strength, but it's also a question of judgment. >> reporter: trump questioned his evangelical credentials by making a vague reference to his cuban background. >> i like him nevertheless. >> reporter: cruz today down playing the sorry to disappoint. donald trump is terrific. deal with it. chris christie refused to taunt the former reality tv star. >> i've known donald trump for 13 years. i don't believe he's a bigot. >> reporter: chuck pressed marco rubio on trump. >> you call his comments offensive and outlandish. that's different than the tone you just took with me right now. >> it's not going to happen, number one. >> reporter: today's iowa poll was taken from december 7th through the 10th when trump was in the his controversial comments about banning muslims from entering the u.s. ted cruz is now in third place in iowa the credentials to combat terrorism. after two weeks of tough negotiations in paris, delegates at a global conference on climate change approved a landmark agreement tonight aimed at reduceingeing greenhouse gases that are warming the planet. nearly 200 nations agreed to reduce emissions. just how much will they have to be reduced. the countries will have to submit emission targets every five years. but that target is only a goal. it's not legally behind binding. tonight president obama hails the agreement. >> this agreement represents the best chance we've had to save the one planet that we've got. so i believe this turning point for the world. we've shown that the world has both the will and the ability to take on this challenge. >> measure we are learning of more victims. the initial death toll of 30 has now been raised to 42. among them 24 patients, 4 caretakers, and 14 staff members. the u.s. military has called the air strike a tragic mistake, saying several factors resulted in the hospital being misidentified as a building being occupied by taliban fighters. in northern california tonight, a warning from health officials who say hundreds of newborns and many others may have been exposed to tuberculosis at a hospital after a nurse tested positive for the tb bacteria. >> reporter: officials at the santa clara valley medical center parents friday. their babies will have to take antibiotics the next six to nine months. the reason, more than 1,000 people, including 350 newborns, may have come in contact with a nurse who tested positive for tuberculosis. the bacteria usually attacks through the lungs. dr. steven harris worked with the infected employee who is now on leave. >> she was not coughing, so we would consider her to be a very low risk for actual spreading tuberculosis to most individuals. >> reporter: the hospital requires all employees get tested for tb. the nurse was checked in september and the results came back nothing. tb was once considered eradicated in the now rates in santa clara county are three times the national average. >> we're seeing some more cases because we have so many people from other parts of the world coming into the united states. >> reporter: babies can't be tested for the infection the same way as adults, so the antibiotics that kill tb must be taken as a precaution. >> in infants, the disease is more serious and much harder to diagnose and by the time it's diagnosed, it can be much harder to treat. >> reporter: so far no tb cases have been linked to this exposure. a dramatic new look tonight at the battle against drug trafficking. while most illegal drugs enter the united states through mexico, there's a sea route from central and south america that's concerning authorities. the increase in smuggling has exploded. >> reporter: on a mission high in the flight crew from u.s. customs and border protection. >> we're looking for drug trafficking. >> reporter: they're scouring the vast caribbean sea for high-powered speedboats smuggling cocaine bound for the u.s. >> they're going to change their tactics. we're going to change our tactics. >> reporter: when they spot a suspected drug boat like this one, they radio the u.s. coast guard or other ships to chase down the smugglers, who often try to outrun the officers, in this case leading to a high-speed collision at sea. they're seeing a steady spike in cocaine smuggling in the caribbean, up to nearly 100 tons a year, suggesting traffickers have opened another route to the u.s. to avoid law enforcement and cartel violence in mexico. customs officials on others out there chasing the cocaine smuggling boats say most of the traffics aim for puerto rico. once they get the drugs there, they can then fly them to the u.s. mainland without having to go through customs. officials say the current caribbean cocaine routes are now sparking an even bigger problem, a crime wave. >> they're not just delivering a load of cocaine. they're delivering violence. they're delivering corruption. they're delivering instability to nations that can't absorb these problems. >> reporter: this fall the u.s. virgin islands declared a state of emergency. >> in addition to the actual trafficking, the real problem these countries are facing is violence. day-to-day people getting killed. >> reporter: a new path to satisfy the insatiable american drug habit now costing those who live along the way dearly. according to the nine days before winter, but for millions of people in the eastern part of the country, there's still not even a hint of it. that's not the only unusual weather going on this weekend. how are you? >> good evening. there is a lot going on across the country today. the eastern half of the country enjoying record warmth. we're looking at 22 states with record highs. as we go into sunday, highs will remain 15 to 30 degrees above average. washington, d.c. about 71 degrees. it's been so warm this fall that some of the cherry blossoms are already starting to go into a second bloom. it's not just the heat that's the concern, but it's also the fact that we have dew points runningng60 to 70 can goesdegrees. this is going to trigger storms. we are looking at a few tornados possible, but the biggest threat now in the p pific northwest we have seen day after day of these storms racing off the pacific. flooding rains of 5 to 7 inches in southern oregon. in the mountains, this means a lot of snow. we'll see at least a foot of snow all the way from the olympicss down through the sierra and even into the rockies in denver. we're looking at a couple of inches, but in the highest elevations we could see as much as a foot of snow. we're also looking at maybe a break for the pacific northwest as we head into the week. >> thank you very much. when "nightly news" continues, life without parole. the struggle by non-violent offenders to get their sentence reduced. later, celebrating the life of a musical le there's something ououthere. it's a highly contagious disease. it can be especially serious- even fatal to infants. unfortunately, many people who spread it it's called whooping cough. and the cdc recommends everyone, including those around babies, make sure their whooping cough vaccination is up to datat understand the danger your new grandchild faces. talk to your doctor or pharmacist about you and your family getting a whooping cough vaccination today. when a moment spontaneously turns romantic, why pause to take a pill? and why stop what you're doing to find a bathroom? cialis for daily use, is the only daily tablet approved to treat erectile dysfunction so you can be ready anytime the moment is right. plus cialis treats the frustrating urinary symptoms of bph, like needing to go frequently, day or night. tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex. do not take cialis if you take nitrates for chest pain, as it may cause an unsafe drop in blood pressure. do not drink alcohol in excess. side effffts may include headadhe, upset stomach, delayed backache or muscle ache. to avoid long-term injury, get medical help right away if you have any sudden decrease or loss in hearing or vision, or any symptoms of an allergic reaction, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use. insurance coverage has expanded nationally and you may now be covered. contact your health plan for the latest information. at planters we know how to throw a remarkable holiday party. just serve classy snacks and be a gracious host, no matter who shows up. do you like nuts? phil! oh no... (under his breath) hey man! hey peter. (unenthusiastic) oh... ha ha ha! jojone? it's me... you don't look a day over 70. am i right? jingle jingle. if you're peter pan, you stay young forever. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. you make me f fl so young... it's what you do. you make me feel so spring has sprung. we learned this week a a inmaten oklahoma will get a special parole hearing next month. while the federal government approves early release for thousands of drug offenders who are believed to pose little risk, many states have not followed. >> christmas at lexington. >> reporter: for the last 19 christmasses, been buying presents for his son and putting them away. betty knows exactly where her son is. she and her family have been visiting him every month for nearly 20 years at the oklahoma state reformatory. >> what i did was wrong. >> reporter: in 1996, kevin ott was arrested with three and a half ounces of methamphetamine methamphetamine. oklahoma mandated a life sentence without parole. >> i'm not sentenced to stay 40 years, 50 years, get good time and again get out. they sentenced me to die in prison. >> reporter: at least 50 drug offenders are serving life sentences without parole in oklahoma. they're not eligible for release on good behavior unlike scores of violent offenders. ricky smothers convicted of raping a released on good behavior after 17 years. the nonprofit sentencing project estimates 10,000 people across the country are serving life sentences for non-violent crimes. americans favor treatment over prison. in his recent interview with lester holt, president obama cited a texasrogram to reduce prison rates for low-level drug offenders. >> and what they found over five years was it saved money, reduced crime significantly, and gave people a second chance. >> reporter: and there's even widespreadadgreement among conservative groups that life without parole sentences for non-violent criminals should be a thing of the past. >> it's just the death penalty stretched out over decades. >> reporter: this spring oklahoma limited life without parole for drug son is supposed to die in prison. >> reporter: but coming home a long shot. he's currently appealing to the state and has a a hearing next month. when we come back, in this season of giving back, honoring those who have made the ultimate do you know the secret to a happy home in these modern times? it's a housewife who's in control of the finances. actually, any wife, husband, or human person can use progressivivs name your r ice tool to take e ntrol of their budget. and while the men do the hard work of making money, she can get all the car insurance options her little heart desires. or the women might do the hard work of making money. [ chuckling ] women don't have jobs. is this guy for real? modernizing car insurance with -- that's enough out of you! the name your price tool, ly from progressive. where is your husband? look, the wolf was huffing and puffing. like you do sometimes, grandpa? well, when you have copd, it can be hard to breathe. it can be hard to get air out, which can make it hard to get air in. she said... symbicort could help you breathe better, starting within 5 minutes. symbicort doesn't replace a rescue inhaler for sudden symptoms. symbicort helps provide significant improvement of your lung function. symbicort is for copd, including chronic bronchitis and emphysema. it should not be taken more than twice a day. symbicort contains formoterol. medicines like formoterol increase the risk of death from asthma problems. symbicort may increase your risk of lung infections, osteoporosis, and some eye problems. you shouldldell your doctor ififou have a heart condition or high blood pressure before taking it. symbicort could mean a day with better breathing. watch out, piggies! (children giggle) symbicort. breathe better starting within 5 minutes. call or go online to learn more about a free trial offer. if you can't afford your medication, astrazeneca may be able to help. i take pictures of sunrises, but with my back pain i couldn't sleep and get up in time. then i found alevem. aleve pm is the only one to combine a safe sleep aid plus the 12 hour pain relieving strength of aleve. i'm back. actually, philly was the first capital. oh, honey... no wait, did you just have that on your phone? it's time to mix it up. do it, dad! yeah, do it! there are thousands of ways into the complex health care system. it was frozen. daddy's hand looks funny. and choosing unitedhealthcare can help make it simpler by letting you know when your claim has been processed. yo, adrian. still not funny. unitedhealthcare birthday celebrations today for the chairman of the board. 100 years ago today. 17 years after he died, sinatra remains one of the best-selling artists of all time. he has records have sold more than 150 million copies around the world. an artist for all time. it was a tough game for the unbeaten state warriors last night against the boston celtics. but in the end, the unbeaten warriors prevailed in double overtime. 124-119. doing so, the warriors extended their unbeaten streak to 24 games. in philadelphia, a new t tst today at the 116th annual army-navy game. both teams wearing special helmets. navy announced last month its players would wear different helmets depicting different ships in its across the country, those who served and sacrificed in war were honored today in arlington and other veteran cemeteries. hundreds of thousands of wreaths were placed at the graves of the fallen. it was part of national wreaths across america today, which was started at arlington more than two decades ago and has expanded throughout the united states. we're back in a moment with how one little girl's dream made it into one of the most anticipated movies of th. it's the final countdown! the final countdown! if you're the band europe, you love a final countdown. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. when the flu hits, it's a really big deal. the aches. the chills. the fever. an even bigger deal? everything you miss out on... family pizza night. the big game. or date night. why lose out to the flu any longer than you have to? prescription tamiflu can help you get better 1.3 days fafaer. that's 30% sooner.r. call your doctor right away. and attack the flu virus at its source with prescription tamiflu. tamiflu is fda approved to treat the flu in people 2 weeks before taking tamiflu tell your doctor if you're pregnant, nursing have serious health conditions, or take other memecines. if you develop an n lergic reaction, a severe rash, or signs of unusual behavior, stop taking tamiflu and call your doctor immediately. children and adolescents in particular may be at an increased risk of seizures, confusion or abnormal behavior. the most common side effects are mild to moderate nausea and vomiting. callllour doctor right away. don't lose another moment to the flu. finally tonight, a little girl's legacy is about to make the leap into theyearar most anticipated movie. we've all heard of r2dj 2, but this is about r2k2, one born in a little girl's imagination. >> it's going to be stormy. >> reporter: ten years ago in a galaxy not so far away, a dying "star wars" fan had a dream. >> when katie was receiving her treatment, there were times she couldn't get out of bed. >> reporter: katie johnson was just 7 years old with an inoperable brain tumor, so when her dad largest "star wars" costume clubs reached out to see if anyone could build it. >> her face lit up and she went to hug it right away. >> reporter: though katie lost her battle, her family knew there were others to watch over. >> our first thought is this can't be just a trinket that sits in our living room. we want to give back to other people. >> reporter: over the past ten years, r2kt has visited toy drives, hospitals, taking on celebrity status. but nothing prepared the johnsons for the call that director j.j. abrams wanted r r2kt to appear in "the force awakened." >> that level of excitement was what it was for us. millions will see r2kt in the background of one of the biggest releases in years. >> it makes me feel good because that's my sister's legacy living on. >> she would love it. reporter: the little girl with a dying wish,iving on in ways she could have never dreamed. and that's nbc "nightly news" for this saturday. fofo all of us here at good night.thanks for joining us, i'm robert lowe. we begin tonight with a deadly house fire in denison, iowa. it happened this morning in the 1500 0 ock of 1st ave north. authorities say 56-year- old craig streck and 37-year-old wendy waldem, were transported to crawford county memorial hospital. waldemar died from injuries sustained in the fire. streck received minor injuries. no word just yet on what caused the fire. the incident remains under investigation. a 21-year-old man habeen arrested in connection with a robbery and assault that terrorized a sioux city woman and her two sons in their own home early monday morning. austin cummings of sioux city is charged with robbery, going armed with intent, assault while participating in a felony and theft in the 2nd degree. police say cummings was one of two men who entered jodi blackwell's home at 26-27 south alice street.