Transcript for Donald Trump Surges Despite Tension at Trump Rally in Virginia
Good evening it's great to have you with us here to Monday night in we begin with fast moving developments on the eve of the Super Tuesday showdown. And the central question this evening can any of the Republican candidates stop Donald Trump. Add Hillary Clinton after her resounding win in South Carolina what is Bernie Sanders path. The new national poll tonight showing Donald Trump surging ahead now the choice of half of Republican voters. And for the Democrats Hillary Clinton leading 55%. To Sanders 38%. But Donald Trump facing new questions about the Ku Klux Klan claimed he couldn't hear during an interview when asked about David duke. Editor Marco Rubio taking aim at trump again tonight. And Hillary Clinton shifting her message Adeline aimed at trump is well is she turning to the national race now. And this evening from a truck rally in Virginia got to time magazine photographer. Taken down by a Secret Service agent. Our team on an all ABC's Tommy Thomas leading assault from Georgia. Tonight will be the Super Tuesday tensions and looking at it won't rally in Virginia and a matter here. A large group of student protesters Boortz at the event. And as they passed a photographer for time magazine known to the ground played Secret Service agent watching game. It's is over the photographers that day in the midst of on the road. Service then investigate but that was it all rolled singling out another protestor asking if she's Mexican. Now you prevent. I. Act and hot hot hot today's confrontations coming as the Republican front runner. While it himself in the middle of the new controversy. Dodging a question about whether he will reject the support of former Ku Klux Klan grand wizard David duke. Would you just say unequivocally you condemn them and you don't want their support. Well I have to look at the group I mean I don't know what group you're talking about Amanda's document David duke in the Ku Klux Klan you know those. I don't know honestly I don't know David duke I don't believe I've ever met a might pretty sure I didn't meet him and I just don't know anything about him. Today swamp under fliers saying he understand the question. A letter today I'm sitting at a house and slide it was a very bad earpiece that they gave me and you could hardly hear what he was saying. Patrol clearly knows who David duke is listen to what he stood in 2000. David duke just your mind. A bigot and racist a problem I mean this is not exactly the people who want and you pointed. And Friday trump said this didn't even million dollar speed David duke into history. I disavow okay. But trumps tepid response to duke and the Klan drawing anger from his rival senator Marco Rubio he blamed it on about earpiece that he couldn't hear the question. I don't care how about the earpieces. Ku Klux Klan. Comes through pretty clearly any refuses to criticize it. This week and rubio would trump engaging in an epic schoolyard name calling war. I have never seen a human being swept like eastwood's. Dozens what does this pores are clock from the spray tan. Little Marco Rubio. A total total fat their way I don't understand why his hands are the size of someone who's five to the missing. They're like this. And you know what they say about men with small hands. You can't trust them. Left out of the trump group you'll brawl. Senator Ted Cruz can't doubted his home state of Texas hoping that victory there and in the race but you don't wanna see Donald Trump is our nominee and you don't want to see Hillary Clinton win the general. Reid joins us and time dumbest joining us now live from a trump rally in Georgia and Tom. Going concern tonight among some leading Republicans at the prospect of Donald Trump as the Republican nominee. David that's right the Republican Party could be headed for a civil war Castro speaks behind me like there is growing course of Republican members of congress we say they will not support trump is GOP nominee. David MC Donald Trump right there at the rally behind Khatami are misleading us off again tonight Tom thank you belong a trump also speaking out tonight. Saying she doesn't always agree with her husband especially she says his language including when he repeated a crude word a woman at one of his events shouted out. To describe Ted Cruz. I was in new handset when the woman was talking about the an appropriate to act right and I was there and I'm thinking like don't repeat it in my had just. Push team don't get feed it. Just don't say because the next Wednesday. Media or they will talk is about backed him but he repeated he. Mrs. trump telling CNN that afterward she did share her thoughts with her husband.
This transcript has been automatically generated and may not be 100% accurate.