Stay away from the hot zones. Amal clooney exclusive. How the attorney and wife of Actor George Clooney is using her star power to fight an out of control crisis. Nightly news begins right now. Good evening. We begin with a brandnew nbc news wall street journal poll and a pair of eyeopeners in the republican race. Donald trump has more than doubled his lead nationally over ted cruz since december. Trump now leads the republican pack at 33 . In a clear sign Republican Voters are taking his campaign more seriously, 65 say they could now see themselves supporting trump, up from 23 in march and nightmare oregon the gap with cruz who had 71 tops on that question. Its a critical snapshot of the state weeks before the iowa caucuses. And hours before tonights republican debate. Here is Hallie Jackson with the latest. Reporter filling up and counting down to tonight by the numbers. From ten candidates this sum for seven on the main stage tonight. Zero room for mistakes. Ted cruz defending himself against news he borrowed money from Goldman Sacks for his first senate run without telling the s. Goe. C. So he did file proper personal disclosures. The loans from goldman and citibank up to 750,000. It is an inadvertent filing question. The facts of the underlying matter have been disclosed for many, many years. Its not complicated. Our finances are not complicated. Reporter cruz knocking the New York Times report knocked off message facing potentially a perception problem. There are too many republicans eager to bail out wall street. Reporter which could contradict his populous warrior. Was he trying to hide something by not putting the Goldman Sacks name on this loan when was running for the tea party . No. It was also in the s. E. C. Filing of firsttime candidates are different than the incumbents. He believed at the time he filled out the form correctly. Its a big nothing. Reporter not to donald trump. I hear its a big thing. I hope he solves it. Reporter trump hoping to kill cruz with kidness but facing new attacks he is not conservative enough, too new york for iowa and new hampshire. You want to knock new york, ive got to go through me. Reporter everybody else fighting to take down the fields number one. There are two con test tests happening. Our poll shows more republicans than ever could see themselves supporting trump, numbers he might like. As for other storylines, watch for the establishment candidates tonight to fight back against the fight each other with time running out to make their case to voters. Will marco rubio come out as a perceived winner . How will jeb bush, Chris Christie and john kasich come out . Lets see how it plays out in south carolina. Hillary clinton and Bernie Sanders continue to step up attacks on each other while locked in a dead heat in iowa. A latest poll shows clinton falling to a twopoint lead over sanders in iowa, but well within the margin of error. Clinton, sanders and Martin Omalley will square off in the nbc news youtube debate which i will moderate with Andrea Mitchell live from charleston this sunday night at 9 00 eastern. Its the last time these candidates will meet before votes are cast in iowa. In chicago, a new chapter in the troubling saga involving thatitys Police Department and its embattled mayor. A department that has seen its superintendent fired and one of its officers charged with first degree murder in recent months. Today a judge ordered Surveillance Video involving another Controversial Police shooting of a young man. We get details from stephanie gosk. Reporter the grainy video shows 17yearold Cedric Chapman running from Chicago Police three years ago. Suspected of stealing a car. Officer kevin frye says he thought the teenager had a gun and his partner was in danger so he fired three deadly shots. All chapman had in his hand was a box for an iphone. Family is suing for wrongful death a claim the city denies. In december, city lawyers attempted to block the release of the video. While that same week mayor rahm emanuel was being asked why it took so long to release another video. The Police Shooting of 17yearold laquan mcdonald. The mayor promised change. A reinvigorated city that has accountability, discipline as well as transparency in place. Reporter the city didnt drop its objection to the release of the chapman video until yesterday just before the judges ruling. Today, the mayor wasnt planning on answering our question, but ultimately explained the aboutface. Justice is with the u. S. Attorney, fbi and states attorney. Reporter since november, the Mayors Office has come under fire for how it handled the mcdonald case a few even calling for his resignation. We ask for transparency from the mayor. Be transparent in your conversation because many of us believe that the withholding of these tapes is for political gain. Reporter now attention is on Cedric Chapman. Since 2003, officer frye has 30 complaints filed against him, ten for excessive force. Exonerated each time by the independent Police Review authority. Lorenzo davis investigated the chapman case for that review authority and recommended frye lose his job. His decision was overruled. Months later, davis i was fired because there were several cases that i would not change my findings on. Reporter his job review notes among several criticisms that he refused to change his findings, in disagreement with the entire chain of command. The city is fighting davis wrongful termination suit and maintains chapman was shot justifiably, leaving some in chicago watching yet another video and wondering whether mayor rahm emanuel is ready to really reform. Tomorrow the mayor is holding his annual Martin Luther king jr Prayer Breakfast and an activist group called for a boycott. That group tells us dozens have backed out in protest. Stephanie gosk in chicago. Thank you. Isis has claimed responsibility for todays deadly terror attack in indonesias capital. A brazen daylight assault in a busy commercial district. As nbc reports a series of blasts gun battles broke out in the streets. Reporter for nearly four hours the heart of jakarta was a battlefield, twin explosions, one outside a starbucks. Another at a nearby police booth. Crowds ran for safety and victims laid on the ground as police and the attackers opened fire. Police called it a parisstyle attack targeting westerners close to the u. S. Embassy. The president ial palace and the United Nations building. The u. N. s Jeremy Douglas tweeted, a massive bomb went off in front of our new indonesia office. As he got out of the car, a second bomb went off targeting the building. We quickly realized, this is not good. Reporter when it was all over, the death toll was much lower than paris. Seven dead, five of them militants. The victims, a canadian and an indonesian. Inside this starbucks, the windows shattered, was injured. These were devices. So thats probably what kept the death toll low. Reporter Indonesian Security services have been warning of a possible attack for weeks. Isis today claimed responsibility. Tonight the u. S. Embassy warned americans there that more attacks are possible. We are learning that the cdc could issue a travel warning as soon as tomorrow urging pregnant women not to travel to certain areas of the caribbean and central and south america. The virus transmitted by mosquitos is blamed for thousands of birth defects. As tom costello reports, there is concern it could spread here. Reporter in northern brazil, a mothers worst nightmare. Babies born with abnormally small heads and brain damage that often leads to death. Researchers believe mosquitos are spreading the virus infecting pregnant mothers who pass it on while he symptoms in adults are shortlived and nothing more than a rash, fever and joint pain, a staggers 3,500 brazilian babies have been born with it in just the past year. Zika is spreading the gulf coast of the United States is an extremely vulnerable area because we have both species of mosquitos that can transmit these viewer uses. Reporter zika originated in africa and moved include asia, caribbean and south and central america. Health experts have been cautioning anyone traveling to the regions to protect themselves from mosquitos. The cdc is preparing a travel warning advising women of childbearing age and pregnant women to avoid the areas. What we will likely see more of are people who travel to the region get infected and come back home to the United States. Reporter at least one woman in texas is thought to have already returned with in new jersey, ashley is pregnant with her fourth child and just called off a planned ed ned vacation to puerto rico. When its your baby, you dont take a chance. Reporter with no vaccine currently available, researchers unveiled a map warning that mosquitos to carry the virus into florida and beyond. As brazil prepares for the summers olympics, the zika virus is bringing heartbreak and fear. They beat the odds and life is about to change profoundly for the folks who hold the three Winning Tickets in the 1. 6 billion powerball jackpot. One ticket was sold at a 7eleven store in southern california. Miguel almaguer is following the story for us. Reporter 35 miles outside of los like a winner. Free slurpees at this 7eleven. Its one three of stores in three states to sell Winning Tickets in a recordsetting 1. 6 billion powerball jackpot. I came down here maybe an hour after the news. There was also half the town here. Reporter today awesome. So wonderful. Reporter the winners are still a mystery. It is amazing. It puts chino hills on the map. Reporter the store owners will get a Million Dollar bonus selling the ticket in the Million Dollar prize. He will share it with employees and the neediest families. California isnt the only golden state tonight. At this publix in melbourne, florida, and this Grocery Store in tiny munford, tennessee, where everyone knows everyone, more winners. Wonderful. I just wish it had been me. Reporter a whopping 73 tickets a cool 1 million. Including the group of 11 preschool teachers in paducah, kentucky. What were the odds . One in 292 million. Or as seen on social media, your winning numbers, you lost. Go back to work. The winners will all have a few months to step forward and collect their prize. Even when you divide that big jackpot into three, before taxes youre taking home roughly 530 million. Even after uncle sam takes his cut its probably enough to quit your job and buy your dream home or dream homes. Miguel almaguer in california, thank you. Still ahead, an nbc news exclusive. Amal clooney steps into the spotlight. The battle shes taking all the way to washington. How she feels about the effect her famous marriage has on her every Auto Insurance policy has a number. But not every Insurance Company understands the life behind it. Our nation have earned the very best service in return. Usaa. We know what it means to serve. Get an Auto Insurance quote and see why 92 of our members plan to stay for life. Im mary ellen, and i quit smoking with chantix. I have smoked for thirty years and by taking chantix, i was able to quit in three months. And that was amazing. Along with support, Chantix Varenicline is proven to help people quit smoking. It absolutely reduced my urge to smoke. Some people had changes in behavior, thinking or mood, hostility, agitation, depressed mood and suicidal thoughts or actions while taking or after stopping chantix. Some had seizures while taking chantix. Stop chantix and call your doctor right away. Tell your doctor about any history of Mental Health problems, which could get worse or of seizures. Dont take chantix if youve had a serious allergic or skin reaction to it. If you have these, stop chantix and call your doctor right away as some can be lifethreatening. Tell your doctor if you have heart or blood vessel problems, or develop new or worse symptoms. Get medical help right away if you have symptoms of a heart attack or stroke. Decrease alcohol use while taking chantix. Use caution when driving or operating machinery. Most common side effect is nausea. I cant believe i did it. I quit smoking. Ask your doctor if there is nothing like star power when it comes to promoting a good clause. The work amal clooney has done got a boost when she married george clooney. She is a human rights lawyer and is in washington this week meeting with top officials about a case she says u. S. Values are at stake. She sat down with sint any mcfad nen her First American tv interview. Reporter mrs. Clooney went to washington this week. Her mission, pushing the u. S. To get tough half a world away. We are here to ask the administration to impotion sanctions. We also hope that congress can play a role. Reporter while its all business for the highlyregarded 37yearold oxford educated human rights lawyer, there is plenty of unspoken curiosity about the amal clooney married to the hollywood superstar. But nobody brings it up as she and cocouncil, both of whom are working for free, makes their case. Their goal is to get the u. S. To freeze Bank Accounts and impose travel bans on the regime leaders in a country known better as a vacation paradise. The maldese has the highest rate of isis fighters. If you look at the state department reports, the figures are at least 200 to iraq and syria from the maldeves. If there was an election now, there is nobody to run against the president. Every Opposition Leader is behind bars are being pursued by the government. Reporter mohammed is currently locked up 13 years on a terrorism conviction the u. N. Says is bogus. In september just days before she was to go visit him in prison, the local lawyer she was working with was stabbed in the head. One would imagine that was in part trying to send a message to you. Do you worry about your safety . S. I mean it wasnt the most comfortable position to be in, but i was determined to go. It meant a lot to me to meet nashid who i read about and consider adhero. I was inspired by his leadership on Climate Justice and human rights. If we do not act now, my island nation the rising sea. I thought the world needs more nashids. Reporter after a coup he was dragged into court where he was president allowed to call even a single witness. Its very clear this was just a sham trial designed to get him out of the political scene and in prison. Reporter while the list of World Leaders now calling for his release is impressive, it is one of his lawyers, a reluctant celebrity, who maybe getting the most traction. Many years ago, Angelina Jolie said to me she understood she was going to get attention, and if she could use all that light and energy coming towards her and turn it around, is that how you feel about the celebrity . I think its wonderful celebrities would choose to spend their time or energy or the spotlight they have to raise awareness about these causes. I dont really see myself in the same way because im still doing the same job i used to do before. Attention paid for whatever reason to that then reporter you know the reason. Then i think thats good. There is a certain responsibility that comes with that. I think im exercising it in the appropriate manner by continuing to do this kind of work. Reporter she leaves with a commitment that a sanctions resolution will be introduced in congress and a promise from senior government officials, theyre now considering taking serious action. Cynthia mcfadden, nbc news, washington. When we come back, Oscar Nominations are out, but for a second year if a row, actually, philly was the first capital. Oh, honey. No wait, did you just have that on your phone . Its 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. And choosing unitedhealthcare can help make it simpler by letting you know when your claim has been processed. Yo, adrian. Still not funny. Unitedhealthcare glad i could help you plan for your retirement. Alright, kelly p and promise me that youll try that taco place on south street. 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Scientists are linking the storm to this years monster el nino. Nominations are out for the 88th academy awards. The revenant leads with 12 nominations including best actor nod to leonardo dicaprio. Mad max, fury road. Both films nominated with the big short, bridge of spice, brooklyn, the martian, room and spotlight. For the second year in a row there is buzz and disappointment aimed by the fact no one of color was nominated in any of the acting categories. When we come back, remembering a beloved actor, admired for his role this is a body of proof. P proof of less joint pain. And clearer skin. This is my body of proof that i can fight Psoriatic Arthritis with humira. Humira works by targeting and helping to block a specific source of inflammation its proven to help relieve pain, stop further joint damage and clear skin in many adults. Doctors have been prescribing humira for 10 years. Humira can lower your ability to fight infections, including tuberculosis. 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Reporter villains and foils never get top billing. But he was also a romantic lead. Thank you so much, colonel. Reporter remember sense and sensibility . And there was love, actually. Youre very pretty, you know. Reporter the boss who falls for the office temptress. A classic fool. Reporter his for his loyalty and kindness, proving he was playing against type. A tribute to how good an actor he truly was. Harry smith, nbc news, new york. And that will do it for us on this thursday night. Im lester holt for all of us at nbc news. Thank you for watching