this morning on "world news now," below the belt. the verbal slugfest atas donald trump and his rivals hit a new low. while some voters searched for substance. >> under arrest. a white officer charged in the diego of a black man. the demands for justice in a city considered to be the birthplace of the civil rights movement. >> new this half hour, it looked like junk but it was a multimillion dollar discovery. >> several ultrarare baseball cards found in a crumbled up paper bag, so who found them and why collectors are so excited. >> and later, caitlyn jenner getting political. the ultrafamous member of a reality tv family throws her support behind a presidential candidate. is her favorite candidate your

ending with this scene, the jaw dropping debate. >> hours after mitt romney blasted donald trump, he faced fire from his rivals in a bitter showdown that sank to a new low. abc's david wright has the details. >> reporter: just when you thought it wasn't possible for the gop debate to go even lower, donald trump took it right below the belt, his own belt. >> look at those hands. are they small hands? and he referred to my hands, if they're small, something else must be small. i guarantee you there's no problem. i guarantee you. >> reporter: marco rubio accused hi

be made in china andbume will be made here in the united ates. >> reporter: tedruaccused him of telling theoters onw yor another. >> you're misleading the american people. >> you're the one. >> release the tape. >> you're the one. >> excuse me. i've given my answer, lying ted. i've given my answer. >> reporter: the whole things at times had the dignity of a food fight. >> let's hear you, big donald. >> don't worry about it, little marco. >> reporter: and cruz, of all people, played peacemaker. >> breathe, breathe, breathe. >> lying ted. >> you can breathe. i know it's hard. i know it's hard. >> when they're done with the yoga, can i answer a question? >> you cannot. >> i really hope that we don't see yoga on this stage. >> he's very flexible. >> reporter: the party of lincoln is a house divided against itself.

>> donald trump is a phony, a fraud. his promises are as worthless mitt romney publicly attacked the character of the 2016 front-runner. the donald fired back. >> he was begging for my endorsement. i could have said, mitt, drop to your knees. he would have dropped to his knees. he was begging. he is a failed candidate. he failed. he failed horribly. the third debate -- he failed badly. that was a race i have to say, folks, that should have been won. >> reporter: david wright, abc news, new york. well, the democrats are busy trying to sway voters before their next debate this sunday in flint, michigan. bernie sanders rallied a large crowd in kansas before tomorrow's caucuses. he told young supporters about his free college tuition plan. sanders and clinton are both making stops in michigan today.

to put her e-mail controversy t about its immunity offer to a staffer. bryan pagliano set up the you private e-mail server clinton used while secretary of state. he previously refused to testify before congress. >> putting anened to months of speculation, president obama says he's going to stick around washington once his term is over. the president revealed that to a group of supporters in milwaukee. he says he wants his first daughter sasha to be able to finish high school without having to transfer in the middle of the year. first daughter sasha, not his first. the president he's older daughter malia is heading off to college this fall. >> good choice, prez, good choice. don't pull them out. can't do it in high school. >> that's smart. don't move to georgetown. it's crowded enough. several court filings have come down on both sides of the showdown between apple and the fbi.

five people who were killed in the san bernardino attacks say is lawful and they say unlocking the phoneayfs in udg google, facebook and microsoft have filed papers backing apple's positions. tensions are escalating. with north korea after the latest threat. president kim jong-un has ordered the bhirlt to be on stand by for nuclear strikes at any time. the threats are part of a campaign of propaganda following tough new u.n. sanctions. yesterday north korea launched short range missiles into the sea. >> south africa's highest court has dismissed oscar pistorius' appeal of his murder conviction. he had appealed saying another court made a mistake when it overturned a manslaughter conviction and declared pistorious guilty of murdering his girlfriend reva steenkamp. the court'

be sentenced next month. a white police officer in pi from montgomery. >> reporter: this is the face of a young white police officer arrested in montgomery, charged with murdering a black man. 58-year-old greg gunn. police say 23-year-old aaron smith was working third shift last thursday, patrolling a black neighborhood, when he stopped mr. gunn, who was unarmed, and walking home from a card game. >> there was a slight struggle that continued for about a block or so, after which time, the officer fired and shot and killed the suspect. >> reporter: smith's lawyer says the shooting was justified, because he says gunn was beating the officer with some sort of pipe or baton. he thinks the arrest is all politics. >> we believe that these charges were brought to prevent public unrest. >> reporter: it's not lost on

considered the birthplace of the modern civil rights movement. th >> it really is trying our soul, as a community. >> reporter: we're learning that g was happy to see law enforcement move so quickly. >> all i want is justice. >> reporter: gunn was killed right here, literally just a few feet from his home. he had almost made it. this city remains divided. it was a group of police officers who came up with the money for officer smith's bail. steve osunsami, abc news, montgomery. also in the south, investigators in mississippi are widening their search for an escaped inmate facing capital murder charges. rafael mccloud is accused of threatening a guard with a homemade knife, taking his clothes, radio and car keys and then holding the guard hostage until he could get away.

murdering a 6-year-old woman last year.poe opened back in 2009 but the project had many cost overruns and delays. the long saga over tom brady's deflategate scandal is far from over thanks to an appeal by the nfl. the league is asking an appeals court to reinstate brady's four-game suspension which had been thrown out by a judge a week before the season started last september. at a hearing yesterday, one judge called the evidence of ball tampering compelling if not overwhelming. a ruling could take months. >> we'll stick with sports here because you know, i love it. >> training, baseball is under way. these have been the find of a lifetime in a quirky world of >> baseball cards. >> seven new ty cobb cards printed between 1909 and 1911

family's deceased great und in a grandfather. >> there's only seven cards. if you look at it in in context and you measure the power of these seven cards, i think you could argue this is the coolest find that we've ever seen. >> great find. before they were discovered, by the way, there were only 15 similar ty cobb cards known to exist. their worth is said to be more than a million dollars. >> wow. >> it's unclear what the family that discovered it will do with that. >> if i found these, i would have thought they were the little prayer cards they give out at funerals with a prayer on the back and the person's picture. so i -- >> that's morbid. >> i would have thought that. it's good they recognized these are baseball players. >> that this was ty cobb. >> and not like a saint or something like that. >> true. feel good chat of the morning. >> all right. >> coming up in "the skinny,"

fans have been anticipating. the veteran superstar returning? >> and the stunning announcement from world cup competitor brandi chastain. the big step she's t t gray, pack northwest and northeast and florida >> 81. >> 81. >> you should move. >> yeah.

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scientists in brazil say a a dozen of its engineers are helping to track the spread of the virus by writing programs to predict where it might spread next. >> new research linking aspirin to reduced risk of certain cancers. >> doctors found that people who take low dose aspirin every day had a 19% lower chance of developing colon cancer. they also found a 3% lower risk of cancer overall for those taking low dose aspirin at least twice a week. but doctors warn aspirin is no substitute for colon cancer screening. > they've always talked little baby aspirins and what they can do. powerful. the increasing concussion awareness has put forward in the spotlight the movie. serious head injuries can happen in almost any sport. >> one of america's best known soccer stars brandi chastain nounced she will donate her brain to concussion research and the disease cte.

here's abc's kayna whitworth ear-ol announcing she will donate her brain to research on cte, the >> reporter: as a college player, chastain did suffer from two concussions. now a mom and soccer coach, she's concerned about the damage all those headers may have caused. >> she is having no symptoms. and she's living a normal life. but she is so well aware of what could be awaiting her. >> reporter: chastain telling "usa today," "but as you grow older, you sometimes say, gosh, am i losing my memory or did i used to forget when i went into a room what i went in there for?" adding, she hopes the research

will protect younger players. cte can only be diagnosed after the u.s. national team was the first person to say she's going to donate her brain. chastain has said sometimes she will go into a room and think why am i here and wonder is this from 40 years of playing soccer >> and you know, football has gotten a bad rap for this, but a lot of other sports are concerned about this, as well. mma fighting as well as hockey. it might not just be a concern for football itself, but as we can see, soccer also. >> girls in sports, every single mom friend i know that has a daughter who plays sports they play soccer very often. it's a huge worry for parents of female athletes. coming up, the celebrity who sang her way out of a speeding ticket. >> and david hasselhoff once again taking to the beach.

will he take off his shirt in "the skinny" next. e take off his shirt in "the skinny" next.

♪ skinny, so skinny >> our lead story in "the skinny" this morning has to do with politics again. and a celebrity joining the political debate. >> we haven't heard from her in awhile but caitlyn jenner is

back in the spotlight showing support for republican needste, jenner says that she to work when it comes to transgender issue boston. >> cruz recently blasted the push for having gender open bathrooms in schools, calling it lunacy. but jenner floated the idea offing between a trans am bass door to president cruz advising on issues impacting the transgender community. >> the republican party, and the heads have long said they need to open up to more diversity. you might not think of someone who is transgender necessarily a republican. it's great to see a face of someone you won't expect supporting the republican party and willing to be an ambassador, too. >> it's fantastic. i'm sure she's welcome. next a creative way to get out of a ticket when you're gladys knight. go with the golden pipes. thein

train to georgia but in a car in event, naturally the seven-time winner sang her way out of playing hasselhoff's original character but johnson took to facebook with the original mitch buchanan to make the announcement.

>> listen. i don't know if the w the best shape in years. >> pam ta re. another cast announcement. the first official member of the new crop of "dancing with the stars" contestants "full house" actress jodie sweetin. >> a big reveal was made on "good morning america." sweeten talked about her love of dancing and how she even got to show off some of her moves in character as stephanie tanner on "fuller house." >> wow, pretty good. >> we'll find out the next contestant later this morning. a full cast reveal will be made next tuesday on "gma." >> who do you think it could be?

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with every flush. lysol. start healthing. ♪ yeah, click as some other matters are tended to first. >> for the race to the white house to the race for the oscar gold, it's all here in our "friday rewind." >> i am a unifier. once we get all of this finished, i'm going to go after one person. that's hillary clinton. >> this country belongs to all of us. not just those at the top. we have to make america whole. >> i will campaign as long as it takes and wherever it takes to ensure that i am the next president of the united states.

>> it's not winner take all. and that would be a disaster fo privacy and personal safety. >> there's already a door on the phone. essentially we're asking apple take the guard dog away. let us try and pick the lock. >> you know your body. i saw it for two seconds and i was like, oh, my god. and i shut it down. >> i just want to be clear. do we have officers involved in a shooting? >> we have three officers that have been shot. >> couldn't be any worse case than this in my opinion for a police officer. i'll always call this an officer's worst nightmare

up dead. >> it's just an unbelievable "spotlight." >> i think if you ever wonded n would it help, the answer is clearl >> i do not take tonight for granted. thank you so very much. >> it was a fun week, an explosive week. we have lots ahead on march 8th. there are some primaries of note including michigan. voters are going at it, as well. by the way, to commemorate leo's big win, a street artist put up a mural in los angeles to commemorate dicaprio's big win. it reads, "never, never give up." >> that's awesome. true, good saying.

hing and i'm scott abraham.. in for larry smith. let's get right to some virginia school alerts that you need to know about. right now-- prince william county schools are closed for the day. and westmoreland county schools are operating on a one hour delay. toss to eileen winter storm warning remains in effect for st. mary's county until 10am. winter weather advisory remains in effect for the d.c. metro until 10am. today: isolated snow sho