Transcript for Sanders is new target amid Fidel Castro praise
We're going to turn to the race for 2020 and the debate this evening in South Carolina. The clear front-runner on the democratic side at this point, Bernie Sanders, facing new scrutiny. ABC's Mary Bruce tonight from South Carolina. Reporter: Bernie Sanders is the new top target and he's giving his rivals fresh ammunition, defending his recent praise of Fidel Castro. He initiated a major literacy program. You know what? I think teaching people to read and write is a good thing. The truth is the truth. And that's what happened on the first years of the Castro regime. Reporter: The comments sending shockwaves. A spokeswoman for the DNC says, "We are very clear in the democratic party that we speak out against brutal dictatorships like those of Castro." As a Democrat, I don't want to be explaining why our nominee is encouraging people to look on the bright side of the Castro regime. Reporter: Joe Biden is attacking Sanders on another front, highlighting this statement from 2011. I think it would be a good idea if president Obama faced some primary opposition. Reporter: Sanders defends himself. I ended up campaigning for Obama and I'm a strong supporter of all that Barack Obama has accomplished. Reporter: But Biden hopes the comments fire up African-American voters heading into Saturday's must-win primary. It all starts here in South Carolina. It starts here, for real. For real. Reporter: Michael Bloomberg tonight is looking for a do-over after he flatlined in the last debate. Pummeled over allegations of sexism. None of them accuse me of doing anything other than maybe they didn't like a joke I told. And let me -- Reporter: His girlfriend Diana Taylor now says everyone needs to get over it. Life has changed. I grew up in that world. It was a bro culture. We have come a very, very long it was 30 years ago. Get over it. Mary Bruce with us live tonight. The Bloomberg campaign quick to distance itself from the comments today. The mayor knows he has to do better than he did in the last debate. Reporter: Yes. Now Bloomberg has barely been seen since the last debate. Instead, he's been intensely preparing and now offered to release three women who have filed complaints against his company from their confidentiality agreements, but David that is not likely to satisfied him opponents like Elizabeth Warren. David? Mary Bruce, thank you. And to the major business
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