Reporter just before clinton took the stage in dubuque, state Department Spokesman john kirby announced that seven email chains from her private account, totaling 37 pages, were being upgraded to top secret. In consultation with the intelligence community, we are making this upgrade, and we believe its the prudent, responsible thing to do. Reporter top secret is one of the highest levels of classification, reserved for material that, if released, would cause exceptionally grave damage to the national security. The emails resided on clintons private server at her home in chappaqua, new york, for years, until she turned over 55,000 pages at the departments request. I did not email any classified material to anyone on my email. There is no classified material. Reporter in a statement today, her campaign called the move overclassification run amok, the result of bureaucratic infighting, the emails appear to involve information from a published news article. Kirby would not share the topic of the emails or whether clinton was the sender or receiver. Im not going to get into debating or discussing candidates one way or the other on the campaign trail. Reporter he said the emails will be withheld from public view and not blacked out piecemeal, like hundreds of other Clinton Emails that have already been released. The Clinton Campaign argues these emails should be released, at least in part, but an intelligence official tells cbs news that some of the information in them is so sensitive, scott, that clinton and her odds should have known never to discuss it over an unsecured system in the first place. Pelley nancy cordes on the road in iowa. Nancy, thank you. Now to the republicans. 12. 5 Million People watched last nights trumpless republican debate. That is the second smallest audience for a g. O. P. Debate nearly four million watched Donald Trumps counterevent. And heres major garrett. You have to stick up for your rights. cheers and applause you have to do it. Reporter at his event last night, donald trump admitted he wasnt sure of that his political gambit would pay off. Is it for me personally a good thing a bad thing . Will i get more vote, will i get less votes . Nobody knows. Im a maniac and everyone on this stage is stupid, fat, and ugly, and, ben, youre a terrible surgeon. Now that weve gotten the donald trump portion out of the way laughter reporter just miles away at the fox news debate, ted cruz poked fun at the missing g. O. P. Frontrunner but he quickly found himself under heavy fire. The central topic immigration and the definition of amnesty. Senator rand paul. He is the king of saying, oh, youre for amnesty. Everybodys for amnesty except for ted cruz. But its a falseness ands thats an authenticity problem. Hoping to finish third here, had some of the fiercest clashes with cruz,. This is the lie teds campaign is build builton. The truth is, ted, you have been willing to say or do anything to get votes. He chose to go the direction of the major doerns to support amnesty because he thought it was politically advantageous. Reporter trump took a detour to new hampshire, and urged supporters, especially the unemployed to vote. Get up and vote. I will get rid of your depression. Youll be happy. Youll be happy. Reporter iowas republican Governor Terry brand stead told us today g. O. P. Turnout monday night could be 30,000 higher than the previous record. Scott, the governor said trump, who has drawn impressive crowds in democratic strongholds here, would likely be the biggest beneficiary. Pelley major garrett, thanks, major. John dickerson, sat down with donald trump today for a face the nation interview. Said you used the veterans as part of a political stunt, that you were, you know i havent even sign that. I havent seep that. Last night. We had tremendous numbers of vets. Why would they be against raising money in. Reporter well, i guess the idea is you were offended by forks wanted to get you know, not be in the debate, and then you concocted the veterans thing kind of as an afterthought. I can tell you the vet groups we dealt with are so happy and they will be splitting up 6 million. Reporter 22 organizations. Wounded warriris is not on the list. Why not . I saw some stories, i think on cbs, actually, and i think i want to give it a little pause. I look carefully at expenses and what things are costing and how they allocate their money and i like to see nice, low numbers in terms of expense. Those numbers were pretty high. Pelley and john is joining us now from washington. John, where do these races stand the weekend before the caucuses . Lets start with the republicans. The question is whether donald trump will break yet another rule of politics. Iowa is supposed to be a retail state, and ted cruz has campaigned in count counties and is following the stateoftheart science voter turnout. Trump, on the other hand, his campaign threw vast rallies and the two are pretty close as we go to the finish line and now we will find out which will pay off. Pelley by retail state, we mean going door to door. What about the democrats . On the democratic side, Bernie Sanders is the one having emotional reaction from voters of the kind donald trump is seeing. And Iowa Democrats love an insurgent candidate, but Hillary Clinton has been organizing state vigorously from the start. She wasnt going to be surprised this time the way she was in 2008 by barack obama. But despite all that preparation, there still might be a surprise on caucus day. Pelley and you will have the very latest on face the nation on sunday. John, thanks. You just heard donald trump investigation of the Wounded Warrior project, which exposed lavish spending for parties and conventions. Well, today, charity navigator, a National Evaluator of charities, but putt w. W. P. On its watch list. Documents have bubbled up in flint, michigan that show state workers were provided bottled water long before the residents were. And heres adriana diaz. Reporter a year ago, while Flint Residents were told their water was safe to drink, despite the taste and foul odor, water coolers were delivered to flints state office building. Newly released emails from january, 2015, show that the state was concerned about its employees drinking flint water. The emails were sent days oofort city told residents the water contained high levels of a byproduct from treatment chemicals. The citys notice said, you do not need to boil your water or take other corrective actions. And that the water was drinkable. In flint that, while the city of flint states corrective actions are not necessary, it would provide a water cooler on each occupied floor so you can choose which water to drink. In a radio interview this afternoon, Governor Rick Snyder addressed the issue of state workers getting coolers. They were just doing it as part of their normal operating procedures to make sure they were taking care of responding to those notices . But does it look bad, though, that state workers got waters before no, the appearance didnt help matters at all, but, again, it was not tied to the lead issue. Reporter we asked Flint Residents what they thought about the emails. Last when . Reporter january. January. A year ago . Thats sad. Very sad. Reporter what will it take for to you regain trust in the state . Wow, i have no idea. I really have no idea. Reporter that bad . Yup. Reporter scott, the department that delivered the water coolers to the building behind me told us that the water employees who worked there, as well as Flint Residents who received services inside. Pelley adriana, thanks. Now, the main problem in flint was lead contamination, and it turns out that is a concern across the country. In new orleans, water flows through lead pipes that were installed 100 years ago. Andand manuel is there. Reporter Rachel Depauw says shes done as much as she can to protect her daughters against the dangers of lead, repainting the walls of her 1930s home and trying not to track dirt inside. But in 2014, tests showed threeyearold phoebe had nearly three times of level of lead in her blood recommended by the centers for Disease Control and prevention. Depauw had her water and soil tested. When you cant count on basic infrastructure like water being safe, what thats just scary. Reporter water tests in presence of lead, 8. 5 parts per billion, thats still below the 15. That is considered safe. But scientists like Adrienne Katner from Louisiana State university, questioned the numbers. There is no safe level of lead. The evidence is mounting that there is neurocognitive impacts on a child, behavioral impacts. Reporter the most recent lead testing in new orleans was in 2014. There are 137,000 water customers. The state requires just 53 homes be tested, and only one was found unsafe. But katner says in her independent testing, out of 151 sites so far, shes found 12 with unsafe levels. 1500 miles of water lines. Reporter cedric grant is executive director of the citys water board. We are doing everything we can with one of the most extensive Water Quality labs in the south. Reporter grant said the water leaves the plant leadfree, but once it exits city pipes it may travel through after that, the Water Quality is left up to the homeowner. I am not responsible for what goes from the meter to them. Im ready to assist. Im ready to provide information. Reporter so it falls on the customer. Its the customers responsibility at that point. Reporter in new orleans and other cities, corrosioncontrol chemicals are added to the water to try to keep the lead out of homes. And, scott, the e. P. A. Is considering a change that would make utilities share the burden with customers of replacing some of the nations estimated 10 million lead service lines. Pelley manuel bojorquez, thank you, manuel. Today, we learned that a chicago cop charged with murdering a black teenager may ask that his trial be removed from the city. It has also been revealed that officer Jason Van Dykes dashcam was not working that night, and our Dean Reynolds has found thats happening a lot in chicago. Reporter there was something missing from these dashboard videos of fatal police there was no sound. And though almost all chicago squad cars have video and audio recorders in the dash boards, an analysis of Police Maintenance logs by the web site dnainfo chicago, indicates silent tape is not unusual. The analysis, which was not disputed by police officials, found microphones stashed in glove boxes, batteries removed, and antennas damaged on purpose. The interim superintendent of police says technical problems, or human error can happen at any time. But there are other times its deliberate. People deliberately trying to circumvent the system. Reporter in the october 2014 shooting of laquan mcdonald, none of the five cruisers on the scene recorded audio when officer Jason Van Dyke shot mcdonald 16 times. Escalante concedes on any given day about 12 of the records need to be fixed, but met with rep rimandses or suspension. Dean angelo of the Police Union Blames aging equipment and not the jierntionz some of those things have been in disrepair fair long time and it now come down on the operators of the unit i think is a bit arbitrary. Reporter do the officers feel as though the public is breathing down their necks . There is some concern that officers dont want to be the next viral video. Reporter but their exposure is about to increase. This spring, police in several districts will be wearing new body cameras as part of a Pilot Program that, if successful, could spread to the whole force. Dean reynolds, cbs news, chicago. Pelley walmart came and then left, leaving a lot of towns without a Grocery Store. Thats coming up when the cbs evening news continues. Eviously treated with platinumbed chemotherapy, a chance to live longer with. Opdivo, nivolumab. Opdivo is the first and only immunotherapy fda approved based on a Clinical Trial demonstrating longer life. For these patients. 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Ask your doctor if opdivo is right for you. Bristolmyers squibb thanks the patients and physicians who participated in the opdivo Clinical Trial. Get fastacting, longlasting relief from heartburn with it neutralizes stomach acid and is the only product that forms a protective barrier that helps keep stomach acid in the stomach where it belongs. For fastacting, longlasting try gaviscon. 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. Robitussin dm max. Because its never just a cough. Pelley Economic Growth quarter of last year to just 0. 7 , down from 2 in the third quarter. Walmart laid off about 10,000 workers this month as it closed 154 stores in 27 states. Many of them were the only place to buy groceries. Heres david begnaud. Reporter shopper tap that snow watched as the front doors to her Walmart Neighborhood market were could have had last night. In the big cities you know theres a Grocery Store on every corner. They dont get what small town living is like and how important having a Grocery Store here is. Reporter americas biggest private employer is pulling out of white wright texas, a year after opening here, leaving this town of 1700 people without a Grocery Store for 22 miles. They didnt even celebrate a year anniversary, and theyre shutting it down. Thats crazy. Reporter Retha Thompson has two daughterinlaws who they chose to come here, and then when they put the other Grocery Store out of business, they want to close down and leave. Im mad. Reporter pettits was the mom and pop grocery for nearly 60 years. It closed nine months after walmart opened here. Larry deeds was coowner. What made you close . The business. They just quit coming. Reporter walmart stole your business. Yeah. Reporter but deeds doesnt lay all the blame at walmarts door. Walmart didnt make pettits close. You people that quit coming made pettits close. Reporter deed says he has no plans to reopen. Where are you going to buy your groceries now . I dont know. It wont be walmart. Im done with walmart. Reporter scott, the 35 employees who worked here were given two options keep your job and relocate to another store, or take a severance. Pelley david, thanks. Still ahead, Steve Hartman, but three fugitives. Our cosmetics line was a hit. The orders were rushing in. I could feel our deadlines racing towards us. We didnt need a loan. We needed shortterm funding fast. Building 18 homes in 4 months . That was a leap. But i knew i could rely on American Express to help me buy those building materials. Amex helped me buy the inventory i needed. Our amex helped us fill the orders. Just like that. Another step on the journey. Will you be ready when growth presents itself . Pelley one of three men who escaped from a maximum security jail in Southern California is in custody. Bac duong surrendered in santa ana. The three broke out a week ago as they were awaiting trial for violent crimes. Surfs up in hawaii. El nino has kicked up some of the biggest waves in 15 years. 40 and 50 footers. Wipeout of the week goes to tom dosland. Hes nearly eaten by a monster wave at the maui surf spot known as jaws. You may remember the jaws of a groundhog caught the earave smalltown mayor last year. Year. And its next. Pelley big holiday coming up tuesday, and therein lies a tale Steve Hartman found in the shadows of sun prairie. Reporter when you think of groundhog day, you probably dont think of sun prairie, wisconsin. But theres as much passion here as punxsutawney. Theyve got a wooden woodchuck in the ground square. The local bakery sells groundhog cakes. In fact the only thing theyre missing is a real groundhog. This was the sun prairie groundhog. You may remember him from last year, when thenmayor jon freund lent him his ear, and he took. He says that uh that he, uh didnt see a shadow. Reporter shortly after chewing his way through the mayors ear,ed sun prairie groundhog chewed his way through a metal cage and escaped. Replacement woo chuck, and who wouldnt, if a woodchuck could be found, which apparently is easier said than done. You cannot capture it to exhibit it. Reporter ti gauger is sun prairies groundhog day event planner. She says they started celebrating here in 1949, using ground hogs they caught. Been a tradition ever since. Reporter now, its not so easy getting a live groundhog. It becomes very complicated. Reporter theres money one license . Oh, yes, theres more than one type of license. Reporter she says you need one from the state, one from the federal government, and if you cant find a certified groundhog breeder in your area. So then you would need an import license. Reporter the new pair, a guy named paul esser, says its hardly worth the effort, and not just because of all the red tape, or because hes concerned about his own ears. He says its simply not humane to hold up groundhogs like we do. Yeah, i dont like that. No. Reporter his proposal . Hes a wild animal. Maybe well have somebody in a groundhog costume. Reporter what about a gerbil . Would you have an issue with a gerbil . Hes domesticated so i wouldnt. February 2 isnt gerbil day. Its groundhog day. Weve got to have a ground hog. Because thats the way its always been and thats the way i like it. Reporter around sun prairie the consensus is clear. What do you think of a groundhog Day Celebration with no ground hog . It would just be winter from thereon. Reporter ah. And you were worried about chiement change. Fortunately, ti did find a aloner groundhog for next weeks celebration, which gives her a whole other year to find a permanent replacement. You shouldnt be dwoog is that with a groundhog. Reporter and it gives the mayor time, too. How would you propose celebrating thanksgiving, to find a way to balance on his soapbox. Steve hartman, nosratollah khosraviroodsari, in pair, wisconsin. I have to work on that one a little bit. Pelley and thats the cbs evening news for tonight. For all of us at cbs news all around the world, im scott pelley. And ill see you sunday on 60 minutes. Good night. Captioning sponsored by cbs captioned by access. Wgbh. Org lets address the elephant not in the room tonight. Did megaing kelly compare trump to the hairy potter villain . You are joking that it was sort of like him, he who must not be named. And whats up with the false eyelashes. And then zika virus, is it