The highest tornado risk this evening. Nbcs Miguel Almaguer reports from the storm zone. Reporter tonight this is what they fear, funnel clouds, possible tornadoes, a weather system still packing pounding rain and whipping winds with. With at least four dead today theres another night of dangerous weather still ahead. Look at that. Oh, my god reporter forecast calls for 70mileanhour winds. Tens of millions in the danger zone. The wicked Winter Weather a powerful linear system fueled by the strongest el nino on record raking across ten states. The storm mangling the landscape, ripping apart homes and taking lives. The glass is breaking and you can hear things flipping around outside, i mean, just total carnage. Reporter with three killed on tuesday and dozens injured, convent, louisiana, was in the bullseye, 160 homes demolished. We went from the floor to the ceiling, from the wall to the floor. Reporter braxton three small children rode out the storm in this trailer. They were pulled into the air and rolled over several times across the street. Savannah clinging to her daughter as she was being sucked out of a window. She was like flying out the window literally. I had her by her ankles. Reporter with up po to 30 tornadoes reported in pensacola, florida, a twister smashed apart an apartment complex. Its said to have traveled two miles, described as a war zone, homes shredded, rvs flipped over and cars tangled in trees. With the same weather system triggering up to 18 inches of snow in the midwest, at least 67,000 have lost power and now more could, too. A state of emergency as the threat across the east isnt over yet. As the rain continues to hammer down here in raleigh, we remain under a Tornado Warning until a bit later on tonight. Lester, the storm is moving towards washington, d. C. , and your area in new york. Its expected to hit 11 00 tonight. If there is some good news, it should be packing a bit of a lighter punch. Lester . All right. Miguel almaguer tonight, thank you. Tonight the scandal involving dangerous air bags in millions of cars appears to be growing even larger with u. S. Senate investigators saying they have uncovered evidence that the Takata Corporation was deceiving automakers for years about its defective air bags, and there is a growing possibility that the recall could now grow to cover half of the cars on american roads right now. Nbcs tom costello has reporter it was just before christmas when 52yearold joel knight was killed in South Carolina. His 2006 ford ranger hit a cow on a country road. The takata air bag impact. When it contact, this could have prevented us, his prevented. Reporter the from the air bag also severed his spine. Been killed from exploding air bags. Investigators say internal emails show takata was aware its air bag inflaters were defective and yet customers, the automakers for years. A 2006 takata email says reports were cherry picked and somebody was schmoozed to accept certain deviations. In another email an employee writes if the customer requests records or makes an audit well have a lot of failures, sometimes 38 , but takata disputes whether the writer had the right knowledge. They were manipulating data to make it look like this explosive device was in fact safe. Statement takata says its deeply sorry for all fatalities and injuries that have occurred and the issues raised in the emails are entirely inexcusable and will not be tolerated or its already been hit with a record 70 million fine. A stunning 24 million vehicles are under recall for a potentially defective now, regulators are under congressional pressure to expand the recall to include every takata air bag in america. Potentially 120 million vehicles. That would be nearly half the cars on the road. Meanwhile, in South Carolina the Knight Family is suing both takata and ford. That someone could be so inconsiderate of someones life. Reporter over an air bag meant to save lives that instead took yet another. Tom costello, nbc news, washington. Donald trump is aiming for a knockout after three landslide victories. The gop frontrunner could be headed for a super tuesday sweep if his opponents cant stop him and frustration is growing from some in the party as rubio and cruz continue to target each other, not the man who is charging towards the nomination. We have it all covered tonight starting with nbcs katy tur in houston. Katy, good evening. Reporter good evening, lester. Donald trump is looking more and more like the favorite to win the nomination, nominee, mitt romney, is taking aim. Donald trump with evangelical leader Pat Robertson in virginia today trying to hit ted cruz where it hurts, targeting christian conservatives at regent university. Ive got to be a good person today, at least for the next hour. Reporter coming off his big win in nevada. Soon the country is going to start winning, winning, winning. Reporter the new yorker is looking for a lock on the nomination sooner rather than later. We might not even need the two months, folks, to be honest, all right. Reporter around if polling is indication he could be right. The billionaire resonating across voting blocs. We won of the evangelicals, we won with young. We won with old. We won with highly educated. We won with poorly educated, i love the poorly educated. Reporter nevada numbers like New Hampshire and South Carolina show trump won evangelicals, conservatives, are worried about immigration, those who wanted an outsider and those who are angry. Trumps abrasive tone working. Stay on course, stay on message. Reporter in fact, donald trump alone got more votes than total votes cast in nevadas 2012 gop caucus. Today that cycles nominee mitt romney speculated trump has something to hide. The reason that i think it that theres a bombshell in there is because every time hes asked about his taxes he dodges and delays. Reporter the candidate repeatedly saying he will release his taxes at some point. The trump effect is in full effect. Now hes looking for a knockout. Thinks three chief opponents all have to run in their home states and trump could beat them haul. He can beat kasich in ohio. He can beat rubio in florida and it can all can begin in next tuesday in texas ted cruz is suddenly the first one voted off the island. Reporter step setting the rivals up for a Lone Star State showdown. Katy tur, nbc news, houston. Reporter im they remember the alamo, but its a different kind of battle. Ted cruz is winning here. A new poll shows hes up double digits over donald trump, 15 points. It is good to be home. Reporter nationally though, hes neck and neck with marco rubio for second place. The two fighting to be the trump alternative but fighting each other first, all while trump picks up delegates and momentum. You worry youre wasting your time attacking marco rubio instead . Thats an interesting question given im the only candidate on the debate stage who has consistently pointed out Donald Trumps liberal record. Reporter given that it hasnt worked yet . Well, at this point hes won two of the first three states and ive won one. Reporter cruz looking now to super tuesday in texas where today he won the endorsement of the governor. In his home state where he must win, his confident campaign pointing to 27,000 volunteers here. Rubios campaign their strategy, wait for cruz to fail and lay off trump, for now. I dont have any voters begging me to attack anyone. Im not in this race to attack any republican. Im more than happy to show differences. Reporter but the florida senator has what could be his own alamo to fight in the Sunshine State which awards all its delegates to the winner meaning a second place finish wont matter. That primary three weeks away but maybe the beginning of the end of this republican race. Hallie jackson, nbc news, houston. The discussion over the Supreme Court escalated to a new level as president obama hit back at republicans who said they will refuse to meet with any potential nominee until the next president is election. The nbc has learned is vetting a republican governor for the vacancy, a move that seems designed to put gop senators in an uncomfortable position. Our justice correspondent Pete Williams has details. The notion that theres some twomonth period reporter at the white house meeting with the king of jordan the president tried to keep the heat and their leader mitch choosing a Supreme Court justice should be up to the next president. The American People are going to have the ability to gauge whether the person ive nominated is well within the mainstream. Thank you, thank reporter and democrats let it be known that on a long list of potential sandoval, the republican governor of nevada and the states first hispanic federal judge. This is a way for democrats in the white house to extract maximum pain on republicans on their stance not to hear any nominee. Reporter but republicans say Vice President biden saw things their way 24 years ago when he chaired the Senate Judiciary committee and said no confirmations during a president ial campaign. Action on a Supreme Court nomination must be put off until after the Election Campaign is over. Reporter words that Senate Republicans are now gleefully recalling. What were doing is what the democrats top leadership has advocated in the past. Reporter but it was actually the rank republican on Senate Judiciary 24 years ago should go on during a campaign. It is this process, if process which should not be changed for Election Year expediency which has signified the majority of our system of government. Reporter president now says hell have a nominee, quote, in the weeks ahead. Mr. President , how many names . Reporter Pete Williams, nbc news, washington. A dramatic day in the civil lawsuit brought by Sports Reporter erin andrews. In court andrews looked on in tears as her father testified about her trauma after a man secretly filmed her at a hotel. Andrews is suing her stalker and the hotels owner and former Management Company claiming they let it happen. Nbcs Morgan Radford has details. Reporter an emotional day for erin andrews, wiping away tears while her father describes her as a shell of the person she once was. Shes terrified. Shes depressed. Shes not the girl that we used to know. Reporter steve andrews, a veteran reporter, testifying daughter and her 75 million suit against the man convicted of stalking and secretly filming her naked in her Nashville Hotel room in 2008. She kept screaming im on the internet. Im on the internet. Im naked. Everything ive worked for is done. Reporter andrews lawyer says Michael Barrett removed and altered the peep hole of Andrews Hotel room and held up a cell phone and recorded her naked. He wanted a room right next to her. I remember thinking to myself how does this happen. Reporter andrews attorney called a hospitality expert to the stand. Thats the cardinal sin in the Hospitality Industry is to give somebodys room number away or let them know that they are staying there. Reporter hotels stalker. He deceived, he connived, he stalked. Mr. Barrett did. Reporter mr. Andrews believes someone needs to pay for what happened to his daughter. First time in my as her father where i safe or not. I fathered for her life. Reporter Morgan Radford, nbc news. Still ahead here tonight, milania trumps first solo interview about the campaign, opening up about her marriage to donald trump, whether she ever thinks hes crossed the line and what happens on those occasions when they disagree. Also caught on camera, ecigarette batteries blowing up in a mans pocket. What if one piece of kale could protect you from diabetes . What if one situp could prevent Heart Disease . One. Wishful thinking, right . But there is one step you can take to help prevent another serious disease. Pneumococcal pneumonia. If you are 50 or older, one dose of the prevnar 13 vaccine can help protect you from pneumococcal pneumonia, an illness that can cause coughing, chest pain, difficulty breathing, and may even put you in the hospital. Even if you have already been vaccinated with another pneumonia vaccine, prevnar 13 may help provide additional protection. Prevnar 13 is used in adults 50 and older to help prevent infections pneumococcal pneumonia. You should not receive prevnar 13 if you have had a severe allergic reaction to the vaccine or its ingredients. If you have a weakened immune system, you may have a lower response to the vaccine. Common side effects were pain, redness or swelling at the injection site, limited arm movement, fatigue, headache, muscle or joint pain, less appetite, chills, or rash. Get this one done. Ask your doctor or pharmacist about prevnar 13 today. This is sheldon whose long day setting up the news starts with minor arthritis pain and a choice. Take tylenol or take aleve, the 1 recommended pain reliever by orthopedic doctors. Just two aleve can keep pain away all day. Back to the news. Incredible bladder protection now comes with an incredible double your money back guarantee. Always discreet is for bladder leaks try it, love it or get double your money back. Always discreet. Were a woman who could foreignborn first lady in nearly 200 years. Milania trump, the with untime design and architecture student turned fashion model, often seen but not often heard speaking in public, now speaking out. Heres nbcs andrea mitchell. Reporter donald trump is everywhere, but his wife milania has avoided the spotlight for months, speaking only briefly on the trail. He was working very reporter but now sitting down with msnbcs mika brzezinski. We have a thick skin and we know that people will judge him and people will call names and they dont give him enough credit. Reporter the former supermodel is trumps third wife, born in slovenia. Im my own person. Hes his own person, and i think thats very important. I dont want to change him. He doesnt want to change me. Reporter what about many felt he had insulted mexicans . I dont feel he insulted the mexicans. He said illegal immigrants. He didnt talk about everybody. Reporter but youre an immigrant . Yes. Reporter do you ever think hes gone too far . I followed the law. I followed the law the way its supposed to be. I never thought to stay here without papers. Reporter when he talked about a ban on muslims, do you worry about it . What he said it will be temporary and its not for all the muslims. Its the ones we need to screen them, who is coming to the country. He wants to protect america. Reporter milania speaks several languages but what about some of the language her husband uses. Do i agree all the time with him . No, i dont, and i tell him that. I tell him my opinion. I tell him what i think. Sometimes he listens. Sometimes he dont. Reporter even if not only visible to the public, milania sounding board for the republican from unir. Andrea mitchell, nbc news. Were back in a moment with a warning about a potential risk in the water for children and pregnant women and yet another with my moderate to severe ulcerative colitis, the possibility of a flare was almost always on my mind. 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Its just a cough. If you could see your cough, youd see just how far it can spread. Robitussin dm max soothes your throat and delivers fast, powerful cough relief. An urgent warning has been issued over lead found in water at several homes in jackson, mississippi. While the city claims its water has not been declared unsafe, pregnant women and Young Children are being urged to drink bottled or filtered water. State Health Officials say they believe the lead is from home plumbing corrosion, not the water source. In kentucky, a sudden and shocking explosion caught on tape. Its a man taken by complete surprise when his pants pockets burst into flames. An ecigarette wasbattery is blamed for the blast and as nbcs joe fryar tells us its hardly the first time Something Like that has happened. Watch. Reporter a customer was simply stopping for snacks at a kentucky gas station when the security suddenly there was a blast in his pocket and there was fire, big fire. Reporter york hamilton suffered seconddegree burns. He says the spare battery for his ecigarette device exploded. The flames eventually doused by a clerk. Its the latest injured tied to electric vapor products, reports popping up from california. I pulled it away from my lips and thats when it exploded. Reporter doctors at Harborview Medical Center in seattle have seen five different patients in the past five months. The way that the battery is in the device it becomes a highpowered rocket that can cause significant force and injury to the patient. Reporter the Problems Center around lithium ion batteries that power the device which can overheat especially if the wrong charger is use. The american vaporing Association Says when charged and used under proper conditions, vapor products pose no more of a fire risk than other products that use lithium ion batteries like cell phones and laptops. Are a lot of customers asking you about this . Yes, they are. Vape source in l. A. , they tell you not to carry the batteries in your pocket. It might touch the loose change or key and it will start to get hot. Secure your battery case like this and then pretty much its protected. Reporter advice to make sure that people can vape without the fireworks. Joe fryer, nbc news, los angeles. When we come back, our interview from orbit. When astronaut scott kelly says hes during its first year, a humpback calf and its mother are almost inseparable. She lifts her calf to its first breath of air, then protects it on the long journey to their feeding grounds. One of the most important things you can do is help the next generation. At pacific life, we offer Financial Solutions to accomplish just that. Ask a Financial Advisor about pacific life. The power to help you succeed. Allergies distracting you . When your symptoms start. Nondrowsy claritin every day of your allergy season. Claritin provides powerful, nondrowsy 24 hour relief. 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Lyrica may cause serious allergic reactions or suicidal thoughts or actions. Tell your doctor right away if you have these, new or worsening depression, or unusual changes in mood or behavior. Or swelling, trouble breathing, rash, hives, blisters, muscle pain with fever, tired feeling or blurry vision. Common side effects are dizziness, sleepiness, weight gain and swelling of hands, legs, and feet. Dont drink alcohol while taking lyrica. Dont drive or use machinery until you know how lyrica affects you. Those who have had a drug or alcohol problem may be more likely to misuse lyrica. Now i have less diabetic nerve pain. And i love helping little ones get off on the right foot. Finally tonight, its been an aroundtheworld journey many times over for astronaut scott kelly though hes never lost sight of home. Its been right outside the window on the International Space station. After a year in orbit, testing the effects of prolonged space flight, his ride back to earth departs next week so we decided to check in with him one more time before the big homecoming. Astronaut scott kelly is in the home stretch. I started counting down when we got to ten days left which was a few days ago. Reporter kelly is one of two participants in nasas mission, the First American to spend a year in orbit. As of today kelly has 5,344 times. Talk to me about the metal and psychological impact of being up there. You look out the window and see the world pass by. You see familiar sights. What does that do to you to watch that . You know, you definitely have a different perspective on the earth and things that happen down there. Im actually looking at it right now. The window is open. I follow the news very closely, have it on during the workday and in the evening so i keep probably more more in touch with whats going on on earth when im in space than when im actually on earth. Reporter kelly has been posting photos on social media throughout his mission. His aweinspiring pictures of his home planet have become a huge hit. Are you a bit nostalgic as your time in space is nearing an end . The ability to press our limits with regards to exploration and discovery, i think its been a privilege of being a part of that, and its something that im going to miss, but ive been up here for look forward to going home. The astronaut is expected to make his homecoming when sunday. When he wraps up his mission he will have traveled more than 143 million miles in space, and the one thing hes looking forward to the most when he gets home. Human contact, the people you love on earth, your family, your friends, people you miss. Reporter and we wish kelly safe travels back home. That will do it for us on this wednesday night. Im lester holt. For all of us at nbc news, thank you for watcNorthern Iowa announces their new Athletic Director. Plus the future of an iowa nightclub is in question after City Council Decides its Liquor License will not be renewed. And Eastern Iowa Police are good evening everyone, im ron steele. And im amanda goodman. Thanks for joining us. Now an update you saw live on our website the university of Northern Iowa names their newest hire for their Athletic Director position. The University Officially naming david harris today at the macleod center. Harris is currrently the senior associate Athletic Director at iowa state university. Kwwls sports director, rick coleman joins us now and rick what was it like . David harris says this is the right time for him to take his first collegiate Athletic Directors position and the university of Northern Iowa is the perfect place. Harris has spent the past 15 years serving in different Athletic Department positions at the university of wisconsin and iowa state. Harris talked about fostering an Athletic Department culture that puts an emphasis on winning with integrity. I want us to be excellent. I on the field, off the field in find our core decisions moving forward. And of course harris says the biggest challege he will face at Northern Iowa iowa is enruing the schools athletic programs have the resources to successfully compete. Iowa state Athletic Director Jamie Pollard who harris calls the most influential person in his life was at todays press conference. Im rick coleman reporting for. Kwwl news. We will have more on todays press conference and David Harriss vision for Northern Iowas athletic