The awards new w ok. And good evening. Thank you for joining us on this sunday. And we are counting down to the oscars tonight, and super tuesday, just two days away. The high stakes showdown. Republican frontrunner donald trump, under fire tonight. The race issue exploding. Critics demanding he denounce the ku klux klan. Marco rubio on a relentless attack, calling trump a conman. As ted cruz goes even further, suggesting trump wont release his tax returns because of possible mob ties. Abcs mary bruce starts us off tonight. Donald trump reporter tonight, donald trump on the defensive, forced to explain this answer when asked if he condemns the ku klux klan and its former grand wizard, david dukes call to vote for trump. Im just talking about david duke and the ku klux klan here. I dont know david duke. I dont believe ive everr met him. And i just dont know anything reporter the backlash was swift. His rivals pouncing. We cannot be a party who nominates someone who refuses to condemn the ku klux klan. We cannot be a party that does that. Reporter tuesdayed cruz tweeting, really sad. Youre better than this. Kkk is abhorrrrt. Trtrp fired back, noting this previous response. I didnt even know he endorsed me, david duke endorsed me . Okay, i disavow, okay . Reporter trump is poised to win bigig on s ser tuesday. Trump boosted eded by his huge endorsement from chris christie. The new jersey governor was challenged today. Y y endorse the ban of having noncitizen muslims no, im saying thats only one piece of an overall approach. You disagree with you . I said that very plainly. Reporter with just two days until the next contntt, the rival campaigns have turned into attack machines. Releasing his tax returns, speck speculateing about what hes hiding. There have been multiple media reports about donalds business dealings with the mafia. Reporter hetrump says he plans to release the tax returns, julgs not now. And tom, marco rubio hoping to get more momentum heading into tuesday, but he has a long way to go. And making it harder, donald trump just nabbed another big endorsement. He now has the backing of alabama senator jeff sessions. Tom . All right, mary, thank you. Now, to the democrats. Hillary clinton, riding that wave of momentum into super tuesday. Clinton winning South Carolina by almost 50 points. Ceiving huge support from a record turnout among black voters. Bernie sanders vowing not to give up the fight, promising to challenge clinton until the very end. Abcs d did wright withh the Clinton Campaign in arkansas tonight. Today, a scene straight out of abcs scandal. Thector that plays the president made a show of telling her about Donald Trumps latest gaffe. You heard about his latest. What did he do now . He didnt know who david duke was. Oh, thats pathetic. Reporter clintons huge victory in South Carolina has put a new spring in her step, heading into super tuesday. She has more delegates and more momentum than Bernie Sanders, as sanders freely admitted to george. We got decimated, george. We got decimated. Reporter clintons mood, buoyant. Im actually kind of looking forward, if imortunate enough, to be the nominee, debating any one of them. Reporter shes also pointedly making nice. Creating a contrast with some of the republican rhetoric. I think we need more love and kindness. Reporter now, postof the super tuesday states are right should play toclintotos strengths. But it plala into the expectations game, so, if Bernie Sanders is able to score a few big unexpected wins, well, the momentum of this race could change again. Tom . And david,n that point, lets get r rht to abcs chief White House Correspondent jonathan karl. Jon, whats senator sanders path to stop clinton at this point . Reporter well, its a narrow path. He has noto show that he can win in the south. And then, he has his eyes on the prize of california. The biggest delegate stake of all. Thats not until june, and if he doesnt do better before then, he will be out of it. Were less than 4 4 h hrs from the voting on super tuesday. Do you think this kkk controversy hurts donald trump . Reporter we dont know. On one hand, hes retweeted White Supremacists in the past and not faced a backlash, but this could be different. Look at the way his rivals poupsed on it and look at the way he felt a need almost clarify to say, yes, i disavow. Republican primary voter will tolerate a lot, but i dont think they will toll rate outright racism. All right, jon, thank you so much. Stay with abc news for full coverage on super tuesday. Special editions of Good Morning America and world news tonight, George Stephanopoulos and the entire Powerhouse Political Team on the air, beginning at 10 00 p. M. Eastern, tuesday night. And we do move on nowo virginia, thehe deaeay Police Shooting making National Headlines tonight. A rookie officer shot and kille her first day on the job. Two other officers wounded. Her Police Cruiser today turned into a memorial. You see it there, with black bunting, a wreath placed on the hood. The alleged gunman, an army staff sergeant, assigned to the pentagon. Abcs gloria rivieran the investigation tonight. Eporter tonighgh a Police Department in the tight knit community it serves devastated by a shocking loss. Prince p when news came that she passed, it was it hit us. We werent expecting it at all. Reporter Authorities Say the ofofcer responded to a 911 call, reporting domestic abuse. I just want to be clear. Do we have officers involved in a shooting . We have three officers that have been shot. Reporter it was herenhis ququt upscale neighborhood that rookie cop Ashley Guindon and two others approached that front door. Police say almost immediately the suspect confronted them, opening fire, and they all went down. I saw the officer laying right there, holding his leg, i figure he got hot. Reporter neighbor zakhar risch harris saying he heard three gunshots. The suspect, ronald hamilton, assigned to the pentagon. Hamiltons wife was found dead inside the home. The two other officers are now, officer guindons squad car, draped in black to honor the rookie lost too soon. Ronald hamilton is expected to appear in court tomorrow. He is facing two murder charges, murder in the first and capital murder, making him eligible for the Death Penalty if convicted. Tom snl. All right, gloria, thank you. Overseas now, the fragile ceasefire in syria. Reports of russian air strikes hitting targets in the cities of aleppo and raqqah. Syrian families caughgh in the middle, hoping the truce holding long enough for much needed humanitarian supplies to arrive. Abcs Alex Marquardt in the region for us tonight. Reporter air strikes today in northern syria. Just one o o a g gwing numbebe of incidents threatening this fragile truce. Both sides accusing the other of violating the easefire. But tonight, it has largely held for a second day. The fight continues against isis and al qaeda, but in much of syria, theres a calm that still at risk, the almost half a Million People living under brutal sieges. In one town, local doctors say dozens have died from starvation. We tried to visit today, with government permission, but were turned away, told that mortar and sniper fire made it too dangerous. But the United Nations is now trying to capitalize on the quiet, to ramp up deliveries of aid across the country. If the truce holds, they say, ey can do more, better and fafaer. That willle tested tomomrow morning with the first convoys scheduled to go out since this temporary ceasefire started. Alex marquardt, abc news, damascus. Back here at home, a plane crash in pennsylvania. Take a look at this. The 87yearold pilot plunging into the trees, reporting engine trouble just after takeoff, suddenly trapped in midair. Abccphillip mena on the rescue effort to get him back on the ground. Reporter dangling from the branches, this small plane left hanging from a tree, nose down, after a frightening crash. The pilot. 87yearold herbert bartell, waiting hours to be saved. Authoritits say he had just taken offff and ran into trouble. He tried to do a uturn, but he lost control and it went into the trees. Reporter stuck up in the tree, bartell managed to call 911, butut it took nearly four hours to get him down, because of all the branches in the way. He was in very good spirits the whole time there. He was conscious, alert, oriented the whole incident. Reporter bartell escaped with only minor injuries. Think by the end he was a little apg shus to get out. Reporter phillip mena, abc news, new york. Now, to a troubled cruisi ship back in the headlines. Anthem of the seas, the ship damaged after sailing into hurricaneforce winds earlier this month, forced to turn around midtrip this weekend, returning to new jersey because of a severe storm in its path. And n n to hollywood. The Academy Awards about to get the star Power Building on the red carpet. The biggest celebs in the business about to arrive. Everyone pking their favorites to win. Abcs amy robach at the dolby theater. Reporter hello, tom. Were right here in t thick of it. The movers and shakers of the Film Industry and the stars are starting to make their way in and we congratulate all of the nominees. But this year, so much of the attention is on those who were not nominated, the lack of diversity among the nominees, setting off a firestorm. Host chris rock making it clear, he will not shy away from the controversy, tweeting, see you sunday blackout oscar ss so many are wondering, just how far he will go. Were going to have it all and were going to have interviews with some of this years nominees, of course. And, all in our oscar preshow countdowowto the oscars. Thats coming up, right after world news tonight, tom. Course, that was Robin Roberts, not amy robach. Much more comin up on the oscars later. Still ahead night. Danger on thehe roadways. Drivers forced to do more than keep their eyes on the road. Debris frying right at them. How to stay safe. And protests erupting in an american city. The Police Shooting sparking outrage. The investigation under way. What if f e 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 yourom pnmococcal pneumonia, an illness that can cause coughing, chest pain, difficulty breathing, and may evenenut you in the hosostal. Even if you have already been vaccinated with another pneumonia vaccine, prevnar 13 is used in adults 50 and older to help prevent infections from 13 strains of the bacteria that cause pneumococcal pneumonia. You should not receive prevnar 13 if you have had a severe allergic reaction to t vaccine or its ingredients. If you have a weakened immune system, you may have a lower resnse to the vaccine. Common side effects were pain, redness or swellingg 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. Its easy to love your laxative when that lax loves your body back. Only miralax hydrates, eases and softens to unblock naturally, so yououave peace of mind from start to finini. Whatcha a in . Just preppppg for my boss partrtin a couple weeks. What are those . Crest whitestrips. They whiten way better than paste. Crest 3d white whitestrips. Whiten 25 times better than the leading whitening toothpaste. Id say. Someones making quite an impression. Crest 3d white whitestrips. The way to whiten. Wcome back tonight. Sudden impact. When objects fly off other vehicles on theroad, putting yoururife in danger. Just this weekend, a huge chunk of ice from one car smashed through the windshield of another on a roadway near detroit. And that split second, how can you protect yourself . Hehes abcs linzie janis. Reporter they come out of nowhere. Objects like this mat threat. Or this tire flying straight at you. Through your windshield. Amanda mcdonagh was driving with her 2monthold saturday when ice flew off the car in front of her. And his whole sheet came off and just shattered our windshield windshield. Reporter luckily, no one was hurt. But tom, driving on an indiana highway last week, came inches from death. Its a little sore. Reporter when a fivepound metal spring came off a semi, sailing through his windshield. It happens more than you think. Debris triggering roughly 50,000 crashes a a ar. Claiming nearly 450 lives. To prevent accidents like this one, caused by a mattress landing in the road, experts say the best thing you can do is be aware. Trust your instincts. Increase your following distance. Make sure that no vehicles are beside you, which gives you ample room in casee you have to veer into another lane. Have that escape route, experts say the best thing to do is to drive through that debris and try not to slam on your brakes. Tom . Linzie, thank you. Hen we come back, a halftime show surprise. What was in this giftwrapped box that had one little boy jumping for joy . An arena full of basketball fans on their feet. And this years oscar statues. The winners may notice a change. Why oscars looking a bit more buff. With my moderate to severe ulcerative colitis, the possibility of a flare was almost always on my mind. Thinking a aut what to avoid, where to go. And how to deal with my uc. To me, that was normal. Until i talked to my doctor. She told me that humira helps people like me get uc under control and keep it under control when certain medications havent worked well enough. Humira can lower your ability to fight infections, incling tuberculosis. Serious, sometimes fafal infections and cancers, incncding lymphoma, have happened; serious allergic reactions, and new or worsening heart failure. Before trebtment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. Dont start humira if you have an infection. Raise yoyo expectations. Ask your gastroenterologist about humira. With humira, control is possible. You cant predict. The market. But at t. Rowe price, we can help guide your investments through good times and bad. For over 75 years, our clients have relied on us to bring our best thinking to their investments so in a variety of market cditions. You can feel confident. In our experience. Call a t. Rowe price retirement specialist or your advisor. To see how we can help make the most of your retirement savings. T. Rowe price. With advil liquigels, youll ask what body aches . What knee pain . What sore elbow . What joint pain . Advil liquigels are so fast, they make pain a distant memory noing works faster stronger or longer the worlds 1 choice what pain . Advil. Ugh heartburn no one burns on my watch try alkaseltzer heartburn reliefchews. They work fast and dont taste chalky. Mmm. Amazing. I have heartburn. Alalseltzer heartburn reliefchews. Enjoy the relief. Back now withh our index. Starting tonight with a violent protest in as a matter of factsalt lake city. Police say they were trying to break up a fight between two men broomstick. That person, a 16yearold black male, was shot and is now in critical condition. Shortly after, an angry crowd began hurling rocks at police. Several arrests were made. Several witnesses are being questioned as the case are under investigation. The mayor calling this a tragedy. Reporter terning to sports now. A record night on the basketball court. The g gden state warriors steph curry launching the gamewinning shot from about 35 feet away. Remarkable. Less than a second left in overtime when that happened. And curry breaking the record for most threepointers in a season with 288, tying the record for most threepointers in a game last night with 12, and beating Oklahoma City along the way. Even other nba stars stunned. Lebron james saying never before seen anyone like him in history. Hes having a great season. Now to a little boy showered in gifts by his favorite basketball team. The phoenix suns wanted to cheer him up, who had been missing his father, soldier deployed for a long time. And guess who popped out . Daddy that reaction. That hug says it all. The crowd erupted watching the emotional reunion. No doubt, the best present ever. Now, to the Academy Awards and it looks like oscar may have a personal trainer. The actual statue is getting a makeover this year. Theyve been revamped with more muscles, refined jaw line and hairline. Looking good. The subtle features l lm more 1929. They will also be hand cast in bronze, like the originals, before getting that 24 karat gold finish. And more oscars ead. Those acceptance speeches. Tonight might be a little different, and a little shorter. Turning up the music never really works when the oscar winners are in the moment. So, the academy has a new plan this year to help speed things up. Question will it work . croheering abdominal pain. It could be ibsd. New prescription xifaxan isn ibsd treatment that helps relieveveour diarrhea and abdominal pain symptoms. Do not use xifaxan if you have a history of sensitivity to rifaximin, rifamycin antibiotic agents, or any components of xifaxan. Tell your doctor right away if your diarrhea worsens while taking xifaxan, as this may be a sign of a serious or even fatal condition. Tell your doctor if you have Liver Disease or are taking other medications, because these may increase the amount of faxan in your r dy. Tell your r ctor if you are pregnant, plan on becoming pregnant, or are nursing. The most common side effects are nausea and an increase in liver enzymes. Ask your doctor about new xifaxan. 73 of americans try. To cook healthy meals. Yet up to 90 fall short in getting key nutrients lets do more. Add one a day m ms 50 . Complete w wh key nutrients we may need. Plus it helps support healthy Blood Pressure with vitamin d and magnesium. We asked a group of young people when they thought they should start saving for retirement. Then we asked some older people when they actually did start saving. This gap between when we should start saving and when we actually do is one of the reasons why too many of us arent prepared for retirement. St start as early as you can. Its going to pay off in the future. If we all start saving a little more today, well all be better prepared tomorw. Prudential. Bring your challenges. Before i had the shooting, burning, pinsandneedles of diabetic nerve pain, these feet served my country, carried the weight of a family, and walklk a daughter down the aisle. But i couldnt bear r diabetic nerve pain any longer. So i talked to my doctor and he prescribed lyrica. Nerve damage from diabetes causes diabetic nerve pain. From m merate to even severe diabetic nerve pain. 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 ununual changes in mood or behavior. Or swelling, troubub 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 alalhol while takiki 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 my biggest reason to walkcalls me grandpa. Ask your doctor about lyrica. Ive been claritin clear for 14 days. When your allergy symptoms start. Every day of your allergy season. For continuous relief. With powerful, 24 hour. Nondrowsy claritin, live claritin clear. Every day. Finally tonight, youll notice Something Different at the oscars when the winners give their speeches. The academy is trying out a new plan, but are the stars really goinin too for it . Abcs Chris Connelly with the story. Jen for connelly. Big moment in anyones life. Like when jen for connelly won supporting actress in 2002. You dont want to forget anyone. Still, nothing sinks the heart of an oscar producer like a litany of thank yous. Thank you to all of our magnificent cast and crew for their invaluable collaboration and most especially to ron howard and russell crowe. There was al pacino, winning in 1993. If you indulge me for a moment, i had to write thihi down. Reporter not every winner has pacinos star power. So, some get played off. As will farrell and jack black famously sang no need to thank your parakeet youre boring look at Katherine Zetajones shes snoring reporter this years oscar plan to perk up 2016s 45second acceptances. A scroll at the bottom of the screen that will name all the names a winner needs to thank, as they explained to lara spencer. And they dont have to fumble with a list. T. They dont haveeo find the asses. Oh, my god. Its like, look. You can thank more people, you can thank the same people. Thank your cat. Make a statement. Reporter the hope is for unmistakable moments of emotion and deeply felt appreciation. The kind that have become part of oscar legend. Who could forget cuba gooding jr. . I just want to oh, here we go. Okay, the studio, i love you, and Cameron Crowe a a tom cruise i love you, brother i love you, man reporter and if the orchestra never has to play anyone off the stage, audiences around the globe will all be feeling, well, really grateful. Chris connelly, abc news, los angeles. And we hope for many moments like that tonight. Well, the excitement is building for the Academy Awards. Up. Dont miss Robin Roberts preshow oscar special coming up, and then the 88th Academy Awards right here on abc. A complete wrapup of the or kafrs on gma tomororw rning. David muir right back here tomorrow night. Im tom llamas in new york. Have a great evening. Coming up on kckctv9 news at 5 30. Skies clear tonight with more mild temperatures for monday before wintry mix moves in donald trump faces backlash for not denouncing white supremacist group, the kuku klux klan, during an interview today. And the city of kalona is asking for more than three Million Dollars to revitalize its aging community center. Youre watching kcrgtv9. Now, from your 24 hour news source, this is kcrgtv9 news at 5 30. Meteorologist chris havely starts us off live from downtown cedar rapids. The wind picked up and itooled off this afrnoon. Skies will gradually clear tonight behind the cold front that moved through earlier on sunday. Temperatures will fall down to near 30 overnight, cooler than last night. For monday, well have a mix x sun and clouds, with more clouds moving in by later in the day. Winds will start off from the southwest, but shift to northwest in the afrnoon. Temperatures will be cooling down again behind this boundary, down into the 20s overnight tomorrow night. An area of low pressure will develop along that boundary to our south, giving us a wintry mix and snow for monday night and into tuesday. As it looks now, a trace up to 2 are forecast. Snow will come to an end later on tuesday, witit cooler temperatures for the rest of the week. However, another warmup is looking likely for next week. Tonight gradual clearing low 2834 winds nw 1525 alo 29 dbq 29 iow 31tomorrow p cloudy, mix possible late high 5258 winds sw 1525 alo dbq iow 55 a hearing this spring will determine whether a dubuque man accused of murder is competent to stand trial. 20 yearold Helmon Betwell faces firdegree murder and firstdegree sexual use charges in the death of nancy krapfl. Betwells attorney said he doesnt understand the