Announcer from nbc news world headquarrers in new york, this is nbc nightly news with lester holt. Good evening. Time is short, and the todo list is long for the men and women running for president. In just six days we will be counting actual votes in iowa, but in the final stretch its all about the polls, and tonight they a aear to confirm aaramatic reversal of fortune among the two republican frontrunners. Donald trump now ahead in a state that once seemed to be ted cruzs to lose. And more worrisome for the cruz camp is trump is lining up what could be key endorsements. High drama in the democratic contests, too. Weve got both races covered starting with nbcckaty tur. Hi, katy. Reporter hey there, lester, you know its crunch time when one candidate is flying known endorsements and the other issuing a warning. Donald trump is about to take the stage joined by arizona sheriff jozef arpaio known for his hardline the clock is ticking in iowa. Six days left and donald truru is pulling ahead. Today leading in five of the last six major polls here. The race now a cage match between the billionaire and his texas rival ted cruz. Each looking for a knockout punch. We have a very powerful endorsement coming down today. Reporter for trump a major evangelical endorsement, jerry falwell, jr. , who oke glowingly of trumppt Liberty University l lt week. In my opinion donald trump lives the life of loving and helping others as jesus taught in the great commandment. Reporter 57 of iowa gop caucusgoers identified as evangelical or born again in 2012, and while cruz has the edge among those voters by most accounts, trump is dominating among moderate voters, meaning he may only need to beompetitive among evangelicals to win. And falwell could give trump the credibility he needs. Its a very, very close race, and so Little Things on the margins, it could make a little bit of a difference. Reporter cruz, faithful to his ground game barnstorming iowa with another seven stops on his bus tour, remaining confident publicly. The judgment that the men and women of iowa are making is who has a proven record as a consistent severtive who has been the same yesterday, today and tomorrow. Reporter but in a video obtained by cbn privately warning pastors and if donald wins iowa, he right now has a substantial lead in new hampshire. Theres a very goodd chance he could be unstoppable and be our nominee. Reporter seven months of campaigning and its all down to these last few days. Katy tur, nbc news, marshalltown, iowa. Thank you. Im casey hunt in iowa where Bernie Sanders says he feels like a winner. If we have a large voter turnout we will win a a we will win big. Reporter Hillary Clinton trying to avoid reliving the past in iowa. I will work my heart out for you as your president. Campaign ad showing voters just how long shes been in the fight. Its a reminder for young voters. Ive been on the front lines of change anddrogress sincece i was your age. When i workedn health care back in 93 and 94, and i dont know if you were born then, i cant quite tell, but if you had been around and had been able to pay attention, i was trying to get us to universal health care coverage. Reporter sanders is older than clinton. Youre 75 now. You w wld be 74. Eporter but an nbc News Survey Monkey poll out today shows young voters support him by a wide margin, just like they backed barack obama in 2008. Are you the heir to president obama here in iowa . I wouldnt look, no. Obama in 2008 ran a campaign which is really going stay in the history books. Do i think in this campaigngnhat we are going to match that . I would love to see us do that. I hope we can. Ankly, i dont think and clinton both leaving iowa today. A trademark crowd of thousands waiting for sanders in minnesota. Clinton fundraising on the east coast. With both candidates out of the state i think they both are looking ahead and saying that theres going to be a day where iowa is not the focus. Reporter coming into view, a slog of a nomination fight. If clinton cant pull out a win here in iowa. Sanders says hes going to fight for this nomination all the way to the convention, but if he cant beat clinton in iowa, that road is going to be a lot harder. Lester . All right, kasie, thank you. We want to let you know tomorrow ill speak to Bernie Sanders about the race and about his chances just five days until iowa. Well have it for you right here tomorrow night. The big scare today at a Navy Medical Center in san diego after someone reported hearing gunshots. The federal Health Facility went into lockdown as Law Enforcement flooded the scene. Officers going room to room looking for a possible ooter. In the end,d, no one was found. Frayed nerves from a terrifying ordeal. In Northern California tonight, evacuations amid a real life cliffhanger. A neighborhood hanging on the edge as a powerful el nino eats away the coastline and may take homes with it. Nbcs Gabe Gutierrez has all the high drama. Reporter on the california coast just a few feet separate these apartments from disaster. The building hanging in the balance. And Michael Mchenry hanging on to what he has left. The surf is so hard when it comes up, the whole place shakes and theres no way youre going to sleep regardless of what you try to do. Reporter structure that once allowed him such stunning ruse iss now teeteriri on the edge of oblivion. Still, despite evacuation orders, 5 of the 20 residents living here are refusing to leave. I have nowhere to go, so i will be here. Reporter the severe erosion blamed on el nino. This is what pacifica looked like in 1997. Like today. We knew that this day was going to come. Repepter last nightthe city council proved an Emergency Declaration allowing pacifica to ask for state and federal money to fight coastal erosion. The area has tussled with el nino before. Strong storms in 1998 booted several homes off this cliff. Then in 2010 two buildings were evacuated and condemned. This season torrential downpours might help relieve californias historicicdrought, but pacifica is feeling the downside, quite literally. El nino pretty much guarantees well have more numerous storms and thats a pounding effect on the coastal area and more chances for beach erosion. Reporter for Michael Mchenry its not just his home but his life that seems to be collapsing. Im about to be on the street. The oceaea if it wants us, its going to come we dont have the power to slow it down reporter tonight hes moving his belongings but has no place else to stay in living on the edge. Residents here are allowed inside to pack, but they are not allowed and not supposed to spend the night. Still, some of them are ignoring that order even though another storm is expected this weekend. Lester. Such a remarkable scene. Gabe, thank you. On the east coast many are still digging out from the blizzard of 2016. In the Nations Capital the federal government remains shut down again today as did Many School Districts in several states. As Nbc News National CorrespondentMiguel Almaguer tells us, progress is being made, but for many it is not coming soon enough. Reporter in washington, d. C. The snow emergency will be lifted tomorrow as many here are still kneedeep in frustration. Its like all of winter in one weekend. Reporter today in the bitter cold a woman rescued after spending three days trapped in her car. Its been nearly 70 hours since the last snowfall, and neighborhoods still look like this. Enough is enough. Weve had the winters were finished. Reporter in new jersey snow brought down the roof on this skating rink. At the shore, the floodwaters have receded but not the anger. Governor christie criticized last night after returning to the campaign trail. I dont know what you expect me to do, to go down there with a mop . I think it takes had a little bit more thanan mop for thihi the home is not lilible anymore. Reporter after outrage from some local officials tonight an apology. Mypology was i really felt badly about it. Reporter in new york city they are shoveling 7. 25 tons of snow. Enough to fill Yankee Stadium 66 times, and in queens a lot of it is still on the street. If you need an ambulance, how are they going to get through . H . God forbid you have a fire. Reporter in virginia there has been progress this. Neighborhood we showed you last night finally looks like this. Even though cancellations are down at airports, the complaints tonight are these smaller city streets where clearly the cleanup is far lester . Thank you. The fbi says it has foiled a mass shooting plot in milwaukeke 23yearold samy mohammmm h ha mzeh has been charged with possessing machine guns and a silencer. The fbi says he was planning to carry out a shooting rampage at a masonic temple. He was arrested after the fbi says he bought a gun from two undercover sources. Six Cleveland Police officers removed from the force today for the shooting deaths of an unarmed couple during high speed chase where well over 100 bullets were fired in just a few seconds. As nbcs blake mccoy reports, it took the city more than three years to fire the officers. Reporter a car sits riddled with bullets. Two people dead inside following a 2012 high speed chase through the streets of cleveland. It began when officers tried to pull over t t car and mistook an engine backfire for gunshots. Drive into the parking lot. Audio from investigators reveal the moment that the unarmed pair was cornered. 120 rounds fired at Timothy Russell and Melissa Williams in just ten seconds. State investigators diagrammed the shooting showing how chaotic and dangerous all of thatt crossfire was to f flow officers. Then, this photo showing the windshield after one overs stood on the hood of the car, even after the couple had been subdued and fired down at close range. Discharged. Reporter that officer, michael brelow was the only one criminally charge the. He was later acquitted. Tonight he h h been fired along with five other officers, six face suspension, a 13th officer retired last year. It was very difficult, very difficult for all of us. Reporter the police union came out swinging calling this disciplinary action politically motivated. This is politics 101. We see it across the country. We certainly see it here in cleveland. Reporter the found Cleveland Police to have frequently used excesesve force. Tonight a move meant to provide closure to a city and two families. Blake mccoy, nbc news, chicago. Now to the growing outrage over the toxic water crisis in flint, michigan. The mayor says it could cost as much as 1. 5 billion to fix the lead contaminated water system, but nbcs Stephanie Gosk has found so far none of the pipes so far are not being replace snootd plumbers in flint say they are ready. Weve got guys available. If i need 200 guys next i can get them. Reporter but the plummers in flint havent gotten the call. Nbc news has learned from city officials and the Plumbers Union theres currently no lead pipes being replaced and the plumbers tell us they havent done any work since the october announcement that the water wanes safe. Harold harrington showed us a lead service pipe. He would only touch it so the corrosive water basically strips the inside of the pipe. And yes, and exposes the lead. Reporter there are as many as 25,000 lines just like this in flint, running from the water main in the street to peoples homes. Buried five to six feet deep did. The only way to replace them is to dig them up. Thats going to take several years to complete the job, but the longer we delay, the longer people are at risk. Reporter professor Marty Kaufman is creating a map of the lead pipes for city officials. Do you know where all. Lead pipes are . No, we do not. Reporter here is a part, a big part, of what they are up agagnst. The record for the Service Lines with kept on these 3 x 5 cards. This one is from 1948 hawritten in pencil, illegible in parts and there are an estimated 50,000 cards in these cabinets. On top of that every home needs to be assessed by experts like harrington. The cost of those repairs will fall on the homeowner. In this case oscar brown, a great great for 38 years on the Assembly Line at buick. Hes still paying a more than 100 had a month bill for water his family cant drink. That line is lead. Reporter fixing the problem could cost as much as 10,000. I would be thinking that its not our fault. Reporter his great grananaughter blames the governor. I guarantee you his grandchildren isnt drinking this water. They are not bathing in this water. They not cooking with this water. So why should we . Its not fair. Reporter tonight the Governors Office tells us that the treatment they are now using in the water will create a protective layer around the pipes, and they will rely on experts t t determine when the water is safe. They alsls say that they have asked for money in the state budget to replace some of the pipes. Lester . Stephanie gosk tonight, thank you. And a programming note my colleague Rachel Maddow will host a town hall on this crisis live from flint tomorrow night at 9 00 eastern on msnbc. Tonight, pregnancy and depression. One in seven moms suffers from it, often in silence, but now a major announcement to lead to so many more getting the help they desperately need. Also, is apples big sales streak coming to an end . Even after moving a Record Number of the music woman ill never remember all the projects, presentations, or meetings i gave up my nights for. musics drums intensify but days like thisis ill never forget. Get out there, in the 2016 ford escape. Be unstoppable. This is my fight song take back my life song music this is joanne. Her long day as a hair stylist starts with shoulder pain when. Hey joanne, want to trade theeall day relief of 2 aleve with 6 tylelel . Give up my 2 aleve for 6 tylenol . No thanks. Hi, im here with some advice from the future dont buy makeup that settles into lines, it ages you. Get simply ageless makeup it floats over lines and you look beautiful simply ageless from olay. And easy, breezy. 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Were back now with important medical news tonight about diagnosing depression, an influential panel today recommendin for depression, and for the first time advises screening not only for new mothers but also for women even before they give birth. Nbcs Anne Thompson has the details. Reporter this should be a joyous time for women, but today a Government Panel of independent experts acknowledges it may not be. And recommends all women before and after birth be screen ford depression, something that affects one in seven moms. Women want to have these conversations because they are recognizing themselves that something is amis. Reporter its so prevalent. Reporter in 2005 Brooke Shields shattered the silence on the today show and now on the red carpet this month actress Hayden Pannetiere telling e news shes proud to be a spokesperson after getting help following the birth of her doubter. Doesnt mean they are weak or a bad mom or doesnt mean they are strange and they can get helppf they need it. Reporter how do common baby blues and whats depression . One difference doctors say is the te frame. Baby blues usually happen within the first two weeks of birth. If the severe anxiety lingers to the sixweek mark it could be more significant. Risk factors include history depression, prenatal anxiety and child care ststss. Doctors sayamily members need to be aware of the issue as well. If you ask your loved one do you feel like you want to harm yourself or your baby . That is a question that is okay to ask. Reporter talk therapy helps and for pregnant women the risk of medication must be weighed against the risk of doing nothing. Most Health Insurance including the affordable c ce act must now cover the screening so family portraits can be as happy as moms hope. Anne thompson, nbc news, new york. There is more Important Information ahead. 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Anything. Perfect. For drivers with accident forgiveness, Liberty Mutual wont raise your rates due to your first accident. See Car Insurance in a whole new light. The cdc has added the u. S. Virgin islands and the Dominican Republic for its travel alert to the zika virus. That makes 24 countries and territories that pregnant women are warned against visiting. United Airlines Announced today that it will refund tickets to zikaaffected areas. The mosquito borne virus has been linked to severe birth defects. The cdc also advises that babies should be tested for congenital infections if the mothers traveled to zikaaffecteddreas a a y point during pregnancy. Despite selling a record 74. 8 million iphones in the final three months of 2015, apple said today its praising for its First Sales Decline in 13 years. As analysts say Global Demand slows for new smartphones. The economic slowdown in china could also hurt apples bottom line. The company does say, however, that it is still in a a strong position for t t billion apple devices are now in use. Big trouble tonight for one of the biggest stars in the navnlt the l. A. Clippers say they are investigating an incident involving forward Blake Griffin in which griffin threw a punch and broke his hand during a road trip in toronto. Multiple reports say the incident also involved a member of the clippers staff. The team says appropriateection will be taken pending the outcome of that investigation. When we come back, we say goodbye to a beloved familiar face screen. Cant afford to let heartburn get in the way . Try nexium 24hr, now the 1 sellingngrand for frequent h hrtburn. Get complete protection with the neweweader in frequent heartburn. Thats nexium level protection. It takes a lot of work. To run this business. 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. 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Convention is s ming to sioux city bringing busineses to see what sioux city has to offer. Plus. State Party Leaders talk about preparing for the iowa caucuses. Just six days away. And. Preparing farmers for the upcoming growing season. First wx boxes main wx boxes finally tonight, our farewell to one of the great character actors in hollywood, from movies like the godfather to Barney Miller on tv. Abe vigoda was beloved and after several false reports of his death over the years became the stuff of legend. Sadly this time its true. Nbcs Kevin Tibbles has a look back. Reporter he just had one of those faces, kind of droopy and warm, and those were the sorts of characters abe vigoda played best. As phil fish on the 70s cop sitcom Barney Miller. Save your money. Reporter vigoda was also the mobster sal itsio in the godfather until he was bumped off. Tell mike to mind his business. Reporter vigoda also gained notoriety for not being dead. It was in 1919 that had a magazine declared he was no more. Vigoda played it for all it was worth on late night television. Come on. Be here with your own kind. Abe vigoda. Reporter he was also a favorite guest of the today show. Thank snow and abe vigoda twitter feed even popped up withh the sole purpose of reporting if he was dead or alive. It garnered 10,000 followers. He later appeared in a Super Bowl Ad for snickers candy bars back in 2010 with betty white. They were both 88 years old. That hurt. Reporter born Abraham Charles vigoda in brooklyn, new york, his careerr spanned the he died in his sleep in his daughters home in new jersey. Abe vigoda was 94. Kevin tibbles, nbc news, chicago. And that will do it for us on a tuesday night. Im lester home. Good evening and thanks for joining us tonight. Im matt breen. And im tommie clark in for sheila brummer. Hundreds of iowa Business Leaders will travel to sioux city in june to attend the Iowa Association of business and industrys conference. This marks the 113th annual taking care of business conference. Ktivs Michelle Schoening was at the press confernce earlier today. Michelle, when was the last time the abi conference was held in sioux city . Matt and tommie, its been a decade since the last conference was held in sioux city. And the abi organization said