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In conversations with republican strategists and staffers on the hill theyre at wits end about what it would be look to have donald trump as the party nominee. What they pointed out in his interview is that he seemed to be trying so carefully not to offend anyone and call anyone a bigot when asked about the kkk and White Supremacists. Suddenly he got politically correct. What they think, republicans i talked to, he was trying to not offend any southern voters. So in super tuesday, tomorrow. What house and Senate Leaders going to look like in the fall when they and colleagues have to respond to every incendiary thing he says. They were thing how they could take the nomination away. Or put a Third Party Candidate in if he became a nominee. Slip a Third Party Candidate in there. Hard to tell if theyre more unsettled about being tainted by trump or the fact there is not much they can do to stop him from the nomination. Thank you very much, john. In ohio today, a 14yearold boy opened fire on classmates in a School Cafeteria north of cincinnati. Two students were shot. Two others were hit by shrapnel. None of the injuries is life threatening. The suspect ran, but was caught nearby. There is no word yet on the motive. In virginia, the funeral is tomorrow for the Prince William county Police Officer who was gunned down on her first day on the job. Today the prosecutor said he may seek the death penalty. Reporter 28yearold ashley guindon, a decorated marine corps reservist, was just beginning a new career as a Police Officer her first day in uniform would be her last. Hold your traffic. Shots have been fired. Reporter saturday night she and two other officers were responding to a Domestic Violence call at this home. As officers approached the front door they were shot. Guindon rushed to the hospital. Pronounced dead a few hours later. The two other officers are expected to survive. Police say 32yearold Ronald Hamilton opened fire on the officers with a rifle. Hamilton a Staff Sergeant in the u. S. Army is also accused of killing his wife, crystal hamilton in the home. The couples 11yearold son managed to run to safety. According to the army, hamilton worked in it at the pentagon joint chiefs staff center and served in iraq two years. Previous runin with the law but would not release details. Prince William County prosecutor, paul ebert. Sad, sad, sad. An example of an officers worst nightmare. Officer guindon in her High School Yearbook wrote, live for something rather than dying for nothing. Guindon, the 14th Police Officer killed in the line of duty so far this year. Scott, 11 of 14 were killed by gunfire. A number that has risen dramatically compared to the same time last year. Jeff pegues. Thank you, jeff. Turning overseas isis has been losing ground on the battlefield but striking back with a series of bombings in and around baghdad the past two days. More than 100 were killed. Most at this marketplace in a shiite neighborhood. Isis is sunni. The other main faction of islam. The u. N. Said today the ceasefire in syria is holding a hotline set up by the u. S. State department for syrians to report violations has been ringing off the hook. The civil war left many of syrias cities in ruin. And Elizabeth Palmer got rare access homs, a city that once had as many residents as philadelphia. Now just a fraction. Reporter after four years, and mega tons of explosives, the syrian army finally took back the city of homs from opposition fighters. But several rebel units escaped into the suburb of alwar where they tried to make a last stand. In the end though the violence was too much. Under siege and outgunned, the rebels caved in and agreed to talk. Theyre just out of sight at the end of that road. The syrian army wouldnt allow us in. To get medical care and to shop for food. Whats changed . Now there are formal negotiations going on with the government they tell me. Life has improved. The siege has ended. And our electricity and water are back. Supplies are flowing in too, though every single box is checked by the military. And every canister of gasoline probed for hidden weapons. But now what . In december, six busload of rebels and families struck a deal for safe passage out of alwar to opposition area farther north. That leaves about 1,000 left. Stuck. Still trying to hammer out the terms of their defeat. There have been several of these, call them stalemates, call them minitruces across the country in the last couple of years, scott. They dont always go smoothly. Some are more successful than certainly save lives. Elizabeth palmer in the syrian capital damascus for us tonight. Liz, thank you. Off the label said 100 Parmesan Cheese. But it was 100 wrong. There is a new warning about a contraceptive implant used by hundreds of thousand of women. And the best of america. Awarded the medal of honor. The cbs overnight news will be right back. Did you know theres a cough liquid that lasts for twelve hours . Try delsym twelve hour cough liquid. Its advanced formula releases powerful medicine that acts fast while its extended release medicine lasts for 12 hours. Try delsym. The decision to ride on and save money. He decided to save money by switching his motorcycle insurance to geico. Theres no shame in saving money. Ride on, ride proud. Geico motorcycle, great rates for great rides. This is mineral build up it collects leaving gross germridden stains. Clorox toilet bowl cleaner with bleach is no match for that. But lysol power toilet bowl cleaner eliminates mineral buildup effortlessly. Enough pressure in here for ya . Im gonna take mucinex sinusmax. Too late, were about to take off. These dissolve fast. Theyre new liquid gels. And youre coming with me. You realize i have gold status . Mucinex sinusmax liquid gels. Dissolves fast to unleash max strength medicine. If you love cheese, this news was pretty unappetizing. Some parmesan contains wood pulp. Then last friday an executive at a Pennsylvania Food company pleaded guilty to selling cheese that had no relation to what was on the label. We asked jim axelrod to take a look. Reporter you would think when fda investigators found castle cheese marketing 100 Parmesan Cheese it was actually 0 parmesan the company had a problem. The product that they were marketing which was on the label was not what they were selling. Reporter the u. S. Attorney brought the case against the in 2012 found the parmesan was a mixture of cheaper cheeses. Like swiss and cheddar. And in one case, an unknown ingredient. Advertising it as parmesan and romano and putting Something Else so supplier could make more money. Thats clearly fraud on the consumer. This was fraudulent in your view . Yes. Reporter we found fraud might not be the worst of it. These fda record show finished cheese was stored in the unrefrigerated room which could cause bacteria to thrive. The Company Found listeria in its production area ten times. But castle continued to produce and sell its cheese to stores like target and walmart without testing it. That might be troubling enough. If we didnt also find record from the Pennsylvania Department of agriculture which inspected castle around the same time as those record tell a very different story. In june of 2012, state inspector David Trotter wrote the plant continues to be in excellent condition. I appreciate the plant management and the quality work they do. His glowing reviews continued until august 2013 when he left the department of agriculture for a new job. Director of Quality Control at castle cheese. Im with cbs news. We asked trotter to explain reviews of castle but he declined. Castle cheese is no longer on the market. The company filed for bankruptcy in 2014. The fda will be rolling out new food safety regulations, the fda tells us designed to get state and federal inspectors on the same page. Jim, thank you very much. Well, chris rocked the oscars last night. Him . If they nominated a host. I wouldnt even get this job. So you would be watching Neil Patrick Harris right now. Chris rock roasted the oscars last night on the issue of diversity. All of the acting nominees were white. Happened many times in the past 88 years. Neilson says the 34 million oscar viewers were the fewest in eight years. George kennedy won an oscar in 1968 for his role in Cool Hand Luke and fixture in all four airplane movies and showed off his comedic side in the naked gun. George kennedy died yesterday. He was 91. Today, the fda said it is issuing its strongest warning about essure, an implantable permanent contraceptive device used by 750,000 women. Some have complained of chronic pain and bleeding. The fda ordered the manufacturer, bayer to conduct a safety study and stopped short of removing the device from the market. Right back. Today president obama presented the medal of honor to a 36yearold navy seal from ohio. David martin has his story. To call edward buyers a combat veteran doesnt come close. Reading your uniform correctly. Five bronze stars, two purple hearts. Correct. How many combat tours have you done . I have none nine combat tours. In 2012, member of seal team 6 he was sent to rescue a man kidnapped by the taliban. As they approached the building the point man saw they had been detected. He saw a guard come out of the door. He shot him. And we started sprinting toward the door. Reporter the pointman, Nicholas Checque, went in first. He was shot and died. Second person in. Entered into the room. I saw another enemy standing there with a weapon. I shot him. I saw a person moving across the floor. Didnt know whether or not that or, if he was an enemy. So i moved down toward him. And i was able to get on top of him. When he heard dr. Joseph call out from another part of the room. Thats when i shot the person i was on top. Jumped off him. And on to the doctor, three or five feet away. Why did you jump on the doctor . We did that. We are in body arm ore. Want to protect him from any other potential threats. When i did that. I realized there was an enemy within arms reach. Of where we are laying. And so i was able to hold him against the wall, by grabbing him around the throat. And that was, gave enough time for our teammates to get in there and to take care of that threat. When you say take care of the threat . How did that work . Our teammates came around him by the throat against the wall . Correct. Yes. Reporter when it was over. Five taliban. One navy seal, Nicholas Checque laid dead or dying. The doctor was shaken but alive. How long did this last . Took a minute to go in and take care of all we talked about. Reporter a lot of action going on in a very confined space. Thats the nature of this job. Close quarters combat. Reporter takes longer to tell it than it did to happen . Yes, it does. Reporter now a medal of honor to go with five bronze stars and two purple hearts. You have to wonder how many other minutes of close quarters combat edward buyers saw in his nine combat tours. One thing for sure, he will never tell. David martin, cbs news, washington. Thats the cbs overnight news for this tuesday. For some of you, the news continues. For others, check back with us a little bit later for the morning news. And, cbs this morning. From the Broadcast Center in new announcer this is the cbs overnight news. Hi. Welcome to the overnight news. Im demarco morgan. It is super tuesday, the biggest day of the nominating season. A dozen States Holding primaries or caucuses that will go a long way determining who heads the Major Party Tickets in november. Cbs news Battleground Tracker shows frontrunners, Hillary Clinton and Donald Trump Holding commanding leads in most super tuesday states. For trump the news is even better. A new National Poll shows he is the choice of half the voters who said theyre likely to vote republican. Ted cruz and marco rubio are way back. Scrambling to stop the trump steamroller. Major garrett reports. Reporter better or worse, marco rubio discovered his inner donald trump. The instinct to hurl insults. Grab attention see what happens. It is a successful model. For trump one potential downside it obscures a more important tolerance and the future of the Republican Party. He doesnt sweat his pores are clogged from the spray tan. Marco rubio got more personal in his attacks against donald trump. He is calling me, little marco. He is taller. 62, which is why i dont understand his hand are the size of some one, 52. Have you seen his hands . You know what they say about men with small hands . You cant trust them. You cant trust them. Reporter this weekend the gop frontrunner continued his own attacks on rubio pointing to his performance in the february 6th debate. So i am looking at little marco. I say man there is something happening with him. He is like melting. Reporter trump campaigned and faced new questions about making space for White Supremacists. In the past trump retweeted messages from White Supremacists and retweet aid quote over the fascist dictator benito mussolini. Sunday, trump hesitated when asked about the former ku klux klan david dukes endorsement and hate groups generally. I know nothing abut david duke or White Supremacists. I dont know what group you are talking about. You wouldnt want me to condemn the group i know nothing about. Reporter trump knew enough about duke to say this friday in fort worth. I didnt know he endorsed me. David duke endorsed me. Okay. All right. I disavow. Okay. Rivals were quick to pounce. Marco rubio called trumps waffling dangerous to the gop. How are we going to grow our party with a nominee that refuses to condemn the ku klux klan. In massachusetts, john kasich said trump must explain. Donald trump refused to disassociate himself and condemn White Supremacists. Every day it is another thing. Ted cruz took to twitter. We should all agree, racism is wrong. Kkk is abhorrent. Trump also picked up the Jeff Sessions in what can be interpret to a blow to cruz. Cruz invoked sessions name in the fight against rubio and comprehensive immigration reform. As for the democrats Hillary Clinton is carrying serious momentum into todays vote. The latest cbs news Battleground Tracker shows clinton has a big lead in three key supertuesday states. Georgia, virginia, and texas. And she still riding the wave from decisive win over Bernie Sanders in saturdays South Carolina primary. Nancy cordes is on the campaign trail in fairfax, virginia. Poll numbers help explain why increasingly clinton is turning atention away from Bernie Sanders, training her fire instead on the republican candidates. I want to debate who ever they put up. Because heres what theyre saying. Theyre selling the same snake oil. Trickle down economics. Clinton changed focus after tomorrow this Campaign Goes national. She won the africanamerican vote by 72 points. On face the nation, sanders didnt sugarcoat it. We did really, really badly with older africanamerican voters. I mean we got decimated. Reporter he must compete in seven more southern states. Latest cbs news Battleground Tracker shows him trailing clinton by 24 points in texas and 28 points in georgia. Voters there said clinton is more qualified. But they viewed sanders as more principled and honest. Secretary clinton does it, a little bit differently. A distinction he tried to draw in oklahoma city. If you are going to get paid 200,000 for a speech. Must be a pretty damn good speech. If it is a such a good speech, you got to release the transcripts. Let everybody see it. In nashville with scandal actor tony goldwyn. A camera caught the candidate reaction when he told her about the latest trump controversy. Kkk, he didnt know who david dukes was . Oreck, thats pathetic. Sanders shared that sentiment. Tweeting, americas first black president cannot and will not be succeeded by a hate monger who refuses to condemn the kkk. Clinton retweeted it. Some supporters say we like mr. Trump because he tells it like it is. Bigotry is not telling it like it is. Even as clinton pulls ahead in the delegate count, he is poised to notch his best fundraising month ever.