Donald trump is neck and neck with ted cruz, in the battle for the first votes of campaign 2016. Heres maipg. They cant toy with me like they toy with everybody else. So let them have their debate, and lets see how they do with the ratings. Reporter it began with a statement from fox news mocking a future President Trump is unable to deal with foreign adversaries and replacing his cabinet with his twitter followers. When i see a press release written by a child, like i just saw, i said what do i have to do . Reporter trump also objected to fox news moderator megyn kelly. Youve called women you dont like fat picion, dogs, slobs. Reporter but in 2011, trump only had praisefor kelly. Do you realliness youre a better moderator than i . No, i could never beat you. That wouldnt even be close. There would be no contest. You have done a great job, by in a dead heat with trump called trumps dispute with fox news laughable. Apparently, megyn kelly is really, really scary. laughter and, you know, donald is a fragile soul. laughter you know, if she asks him mine questions, i mean, his hair might stand on end. Reporter on twitter, trump replied, rig nighting the controversy of cruzs canadian birth. Ted cruz wants to debate me again, he wrote can we do it in canada. Poor little donald being mistreated. Reporter jeb bush, trailing in the polls, predicted trump will actually take the stage and try to turn back to the issues. We have to have the courage to change medicare. Reporter but trump did get support from influential conservative radio host rush limbaugh. I got news for you he is controlling the media, and its his objective. He is controlling the media. Not on it. He controls the media when he is on it. He controls the media when hes asleep. Reporter by foxs count, trump has appeared on the network 132 times during the campaign, far more than any of his republican rivals. Scott, trump is now challenging the networks welldefined role in the republican nomination conversation, and the network, well aware of the stakes is not backing down. Pelley and the Trump Campaign has just told us he will be hosting an event for veterans at the time of the debate. Major garrett for us tonight. Major, thank you. Now, on the democratic side, Bernie Sanders took a detour off the campaign trail to check out what he hopes will be his new office, heres nancy cordes. God, what a turnout reporter there are few things that will pull a candidate out of iowa five days before the caucus a legitimacy lending meeting with the the president and i discussed this morning a number of issues, Foreign Policy issues, domestic issues, occasionally a little bit of politics. Reporter the white house insists the sitdown was in the works for a while and was not meant to balance out the president s lavish praise of clinton in a recent interview. His approval matters, as both candidates vie to win over his supporters. You know, before it was called obama care, it was called hillary care. Reporter even the sanders slogan, a future to believe in, looks a lot like mr. Obamas change we can believe in. I was a fan of obama from the beginning. Reporter Kimberley Boggus and zoey wagner both live in beaverdale, an iowa town that was so gungho for candidate obama it got nicknamed obamadale. When way do you sense beaverdale is going this time . You know its a third of, a third hillary, a third omalley, and a third sanders. School junior, is a precinct captain for clinton. Why do you think the campaign went with someone so young as their precinct captain . Um because shes good. I think it just has to do with energy you know and passion for the job. I mean, i believed in her since day one. Reporter sanders wasted no time getting back to iowa for an event here in mason city tonight. He said he didnt bother, scott, asking the president for his endorsement because the white house has vowed to stay neutral in the primary. Pelley nancy cordes. Nancy, thank you very much. Now for this question who should not be president . The Pew Research Center has a new poll tonight. 20 of americans said theyd be less likely to vote for a candidate who used marijuana. 37 dont want a candidate whos had an affair. 41 dont like personal financial troubles. And the number one wouldnt have faith in a candidate who does not believe in god. Last night, we broke the story of lavish spending by one of the most Prominent Charities for wounded veterans. Financial records show that compared to similar charities, the Wounded Warrior project spends a far smaller share of what it takes in on the vets themselves. Well, tonight, we have more of our investigation by chip reid and producer jennifer janisch. Reporter the nations most prominent Veterans Charity is facing criticism from more than 40 former employees about how it spends the more than 800 million its raised in the past six years. We asked mark owens, a former director of taxexempt organizations of the i. R. S. , to review the Wounded Warrior projects tax documents. What was your biggest concern in reading these forms . That i couldnt tell the i thought that was truly unusual. If the organization is asking for money and spending money purportedly spending money to assist veterans, id like to know. Reporter Wounded Warrior project says 80 of their money is spent on programs for veterans. Thats because they include some Promotional Items direct response advertising and shipping and postage costs. Take that out, and the figures look more like what Charity Watchdogs say that only 54 to 60 of donations go to help Wounded Service members. The c. E. O. Has said fundraising can and should be included in the program and services. Your response . I would be curious to know how asking people for money eqaits to the assistance of wounded veterans. Reporter Steven Nardizzi has been c. E. O. Since 2009. In 2014 he was paid nearly half a million dollars. Thats in line with many former employees told us they thought it was too much. Nardizzi defended salary to our norfolk affiliate last april. My sally is less than onetenth of 1 of the donations that come in. And i am running an organization that is helping hundreds of thousands of warriors. Reporter last year, wwp gave 150,000 grant to a group that defends higher spending on overhead, executive salaries and fundraising by charities. Nardizzi says the more money the charity raises, the more money it can spend on veterans. If your only fixation is spending the most on programs, thats feeling good but not necessarily doing good. You could run a lot of program activities. You could spend a lot of money and have them be wholly ineffective. Reporter but Charity WatchdogDaniel Borochoff says his biggest concern is that the group is sitting on a 248 million surplus and not enough of it is being spent on veterans. It would be helpful if these were being spent to help veterans in the shorter term, in the year or two, rather than being held for longer term. Reporter Wounded Warrior project told us it is committing 100 million to a new Mental Health care initiative, and they hope to raise another 500 million for longterm care for severely wounded veterans. But, scott, it could be years before most of that money makes an impact on the lives of Wounded Servicemembers. Pelley chip reid with our cbs news investigation. Chip, thanks very much. A lawsuit today is demanding that all the lead pipes in flint, michigans water system be replaced. At least 100 children there have elevated levels of toxic lead in their blood. The lead came out of pipes for more than a year after flint failed to add standard anticorrosion chemicals to the water. Adriana diaz is back in flint tonight. Things to help the people of flint. Reporter michigan Governor Rick Snyder told flint to have faith in his recovery plan, but it will still take months before he knows if the tap water is clean. Flint residents have said they want their lead pipes replaced before they drink the water. When is the soonest that one of those lines will be replaced . A lot of work it being done to even understand where the lead Service Lines fully are. Reporter for now, anticorrosion chemicals in the water are patching up the protective coating in pipes to help keep the lead out. According to experts, its working. The state recently tested a sample of roughly 2500 flint homes. 93 had less than the federal limit of 15 parts per billion. 85 registered below 5 p. P. B. But 160 homes still had Dangerous Levels of lead. Professor mark edwards of Virginia Tech was the first to detect elevated lead levels in the water last summer when state officials tried to discredit to help oversee the recovery. Edwards says current lead levels are three to four times lower than this summers highs. So do you think people here are weeks away from being able to drink unfiltered tap water, months . More likely, more realistically, youre talking two, two and a half months. Reporter until then, flints 99,000 residents, like rose and dennis richmond, have to drink bottled and filtered warrant as water bills pile up. It is not expriet its not fair. So well just have to see what comes of this. Reporter as residents depend on bottled water, many are refusing to pay their water bills, and some have joined a Class Action Lawsuit to get their money back. Scott, the mayor has requested 3 million from the state to keep the cities nowunderfunded Water Utility afloat. Pelley adriana diaz, thanks. A tornado swept through broward county, florida, today. Trees came down, roofs tore up, trucks and cars were tossed. North of fort lawrt daily, but only one injury, and it wasnt serious. In oregon, Law Enforcement has cut off access to buildings on a National Wildlife refuge where armed antigovernment protesters had been holed up for weeks. Last night, when some of the groups leaders were driving to a meeting, Police Closed in on them, killing one, and arresting the others. Carter evans is there. Reporter the militia members were on their way to a Community Event when they were captured during a traffic stop and shots were fired. In all, eight were arrested, including the groups leader, ammon bundy. Conservative talk show host pete santilli, who hab embedded with the militia, was Live Streaming as the confrontation unfolded. If a. M. On is in custody, its over. Its done. Reporter Authorities Say the goal was to apprehend them peacefully. The f. B. I. Wont say who shot first, but when it was over, was dead, and bundys brother harney was wounded. Im disappointed that a traffic stop yesterday, pfs supposed to bring peaceful resolution to this, ended badly. We dont arm up and rebel. We work through the appropriate channels. This cant happen anymore. Reporter bundy and his armedded followers, none of them from oregon, took control of the malheur National Wildlife refuge on january 2 to protest Land Ownership by the federal government. Since the takeover, federal compound. F. B. I. Special agent Greg Bretzing says they were given ample opportunity to leave peacefully. Instead, these individuals have chosen to threaten and intimidate the america they profess to love. Reporter in nearby burns, some residents feel the protesters have more than overstayed their welcome. Are you ready for them to leave . Ive been ready for them to leave for for self weeks. That as few as 10 and as many as three dozen militia members are still holed up about 10 miles down the road behind me. And, scott, late today, through his attorney, ammon bundy urged everyone remaining here to return home to their families and let the Justice System take its course. Pelley carter evans at the scene for us. Carter, thank you. There was a little more worrying news about the economy today. The Federal Reserve said that growth began to slow at the end of last year, and so it kept Interest Rates unchanged today. But that helped send the dow tumbling more than 200 points. Another factor, apple, one of the stocks in the dow, fell more than 6. 5 because iphone sales have cooled off. New cases of zika virus are turning up in the u. S. Washington finds a lot of green under all that white. And new partners in fighting continues. music woman ill never remember all the projects, presentations, or meetings i gave up my nights for. musics drums intensify but days like this, ill never forget. Get out there, in the 2016 ford escape. Be unstoppable. This is my fight song take back my life song music when heartburn hits fight back fast tums smoothies starts dissolving the instant it touches your tongue and neutralizes stomach acid at the source tum, tum, tum, tum smoothies only from tums thousands of people came out today so we asked them. Are you completely prepared for retirement . Okay, mostly prepared . Could you save 1 more of your income . It doesnt sound like much, but saving an additional 1 now, could make a big difference over time. Im going to be even better about saving. You can do it, it helps in the long run. Prudential pelley a new case of zika virus was reported in minnesota today. That makes 10 cases in five states. The mosquitoborne infection is a threat to fetuses developing in the womb. Those u. S. Cases are in people who traveled from south of the border, but dr. Jon lapook is look into the likelihood of an outbreak here at home. Reporter brazil is fighting the spread of zika virus by trying to control its mosquito population. So far, the zika virus has not been found in any mosquitoes in the u. S. , but the types of mosquitoes that could potentially carry the virus are found in this country. In fact, in warmer months, those mosquitoes can be found in regions where 60 of americans live. Thats about 200 million people. The zika virus has been linked to a birth defect called microcephaly, where babies are born with small heads. Shirazian says doctors here are bracing for the likely arrival of the virus. In america, about four million women get pregnant each year. Out of five women, only one exhibits symptoms, so the other four dont have symptoms, and may still have been exposed and may still develop microcephaly in their fetuses. And the transmission from the mom to the fetus, we think, is relatively high. Reporter Nurse PractitionerSafiyyah Okoye is 22 weeks pregnant and has decided not to vacation in the caribbean this year. Even some of the countries we were considering that werent on the travel ban list i felt like by the time of our trip in march, it seemed like the list was rapidly growing. Reporter today, both united and American Airlines issued new policies allowing pregnant women to postpone travel or receive full refunds countries. The common way zika spreads is through mosquito bites, but more research is needed about the sexual contact and blood transfusion. And, scott, a vaccine could be three to five years away. Pelley jon, thanks very much. You probably have a lot of questions about zika virus. Well, on our facebook page, dr. Jon lapook will have a live chat right after this broadcast. And well be right back. I was in the military for 18 years. But i smoked. And i got heart disease. My tip is, its hard to serve your country when youre too weak to put on your uniform. announcer you can quit. For free help, call 1800quitnow. Theres only one egg that gives you better taste and better nutrition in so many varieties. Classic. Cage free. And organic. Only egglands best. Better taste. Better nutrition. Better eggs. Every Auto Insurance policy has a number. But not every Insurance Company understands the life behind it. Those who have served our nation 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. 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. 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. Boost complete nutritional drink including calcium and vitamin d to support strong bones and 10 grams of proteinto help maintain muscle. All with a great taste. I dont plan on slowing down any time soon. Pelley Customs Officials have been confiscating knockoff hoverboard, and in chicago, they showed off 16,000 counterfeits. Authorities say the fakes are even more likely to overheat and catch fire than the real ones. In washington, the big storm led to a blizzard of tickets for parking on snow emergency routes. Nearly 5,000 were written, and that is a snowfall windfall for the city. 1. 25 million. By comparson, new york gave parkers a pass during the emergency. Rescue sending 15 trucks to help pick up the snow with signs that say, visit florida. In canton, ohio, officer ryan davis has a new partner. Steve hartman reported that the officers former partner, jethro, was shot and killed by a suspected burglar and given a heros funeral. Well, davis flew out to houston to scout replacements, and when he saw a german shepard named tukeo, it was a match. In a moment, a super bowl matchup for the generations. Song thats life song thats life song thats life thats life. You diet. You exercise. And if you still need help lowering your blood sugar. This is jardiance. Jardiance works around the clock to lower blood sugar in adults with type 2 diabetes. It works by helping your body to get rid of some of the sugar it doesnt need through urination. This can help you lower blood sugar and a1c. And although its not for weight loss or lowering systolic blood pressure, jardiance could help with both. Jardiance can cause serious side effects including dehydration. This may cause you to feel dizzy, faint or lightheaded, or weak upon standing. 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Pelley we end tonight with an epic battle of the ages, a 20something against a 30something in a game that should be something else. Heres jeff glor. Reporter Peyton Mannings belichick after sundays a. F. C. Championship game is adding more drama to a game that already features the more diametric division of team leaders in super bowl history. Manning, 39, is the most prolific passer the game has ever seen, but perhaps the least mobile. Carolinas cam newton, just 26, is the best running quarterback today. He rushed for more yards than any of his peers 636. Manning, negative six. Is it possible to put into words how different these styles are . No. Opposite ends of the spectrum. Reporter ray lucas played quarterback for four teams during his nfl career. When you look at peyton manning, hes the prototypical oldfashioned quarterback. Then you flip the script and look at cam newton, this is the newera quarterback, running and pazzing threat. Reporter and the extreme style split extends beyond game plays and age gaps. Takes his eyes away from the printouts and looks like hes constantly cramming for the s. A. T. S. Newton is demonstrative and hyperemotional, smiling and soaking in every moment like the most rambunctious kid on the playground. About the only thing they do share is stifling defenses. The two best in the nfl. Picked off by coleman i think this is going to be a defensive matchup. I know people want to see 49, twraet 48 hours. I dont think its going to be that way. Reporter its going to be fun. Its going to be awesome. Reporter on one of these two walks away with the ring its bronco riding his last rodeo, or the young panther, more. Jeff glor, cbs news, new york. Pelley and, of course, you can see super bowl l sunday, february 7, right here on cbs. And thats the cbs evening news for tonight. Around the world, good announcer youre watching kcci 8 news. Steve a new poll shows that the Democratic Caucus race in iowa is still to close to call. What both Hillary Clinton and Bernie Sanders are doing to drum up support 5 days before the vote. Stacey donald trump wont be at tomorrows gop debate in des moines, but another debate is brewing concerning trump and members of the hawkeye football and wrestling teams. Steve and its a conference designed to help gay and lesbian teenagers. Now some state lawmakers are looking into claims that the iowa governors conference on lgbtq youth may have exposed those teenagers to sexually explicit material. Steve a new poll shows that Bernie Sanders still holds a slight lead over Hillary Clinton with just 5 days to go until the iowa caucuses. Stacey the Quinnipiac University poll shows sanders with a 4point lead over Hillary Clinton. However, the margin of error is also 4 , leaving both in a statistical dead heat. Support in this poll