High-Stakes Showdown at GOP Debate

Candidates with a lot on the line try to break through against front-runner Donald Trump.
3:13 | 09/17/15

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Transcript for High-Stakes Showdown at GOP Debate
Good evening to race for 2016 of the big showdown tonight the stakes could not be higher but the Republican candidates who are trying to compete with Donald Trump. Eleven candidates taking the stage a reporter with him did he hint about a new strategy. While just miles from that stage another voice vice president Joseph Biden taking knob trump. Calling part of trumps message quote sick ABC's Tom Thomas would the vice president's words and the words already exchange on the debate stage tonight. Minutes this heated debate don't trust what this. The flow or heart I think his response his views. Visceral response to attack people on their appearance. Short tall fat ugly. My goodness that happened in junior high are we not way above that would not all be worried to have someone like that charge of the nuclear or so big that mr. trump. I never attacked him on his look and believe me this funny is subject matter right there. That I content mr. trump we don't need an apprentice in the White House we don't need an apprentice in the White House we have one right now Jeb Bush Thailand's billionaire to Hillary Clinton. According to yours bill to what you said on one of the talk shows you've got Hillary Clinton to go to your wedding because she gave her money. Maybe you works for Hillary is exactly where everybody on guest on this day as it is is. And I got a long with clip I got along with everybody that was my job to get along with people before the big event Donald Trump sound incompetent are due to bad rep going to debate raping her go wild in a new interview. Revealing he's looking for is softer side because you. It to say what you weaknesses are but I think I could tone it down a little bit when pressed when somebody hits you can hit a little bit less hard. Bush hiking with his son today and going to church with his family signaling he is the candidate of Sony Ronald Reagan optimism and will he be in your mind tonight he has. He's. He's my hero tonight trump has bush on one side and surging rival Ben Carson on the other. When it's finished. And the stage. Would be much more difficult for them they Norman. The new face on the stage tonight Carly Fiorina promising to take on trump after he told Rolling Stone. Look at that face would any would vote for that Trump's comments about women and immigration out raging many including vice president Joseph Biden who calls it all. Sick there's one guy absolutely denigrating. An entire group of people. Appealing to the baser side of human nature. More keen on this notion a xenophobia in a way that hasn't occurred in a long time. And tonight all eyes on that one guy. David this is already turnout to be quite the debate and it's going to be a very long night for Donald Trump infected tweeted something kind of interest in before the debate. He put out can you believe CNN is milking it for almost three hours too long too many people on stage David. Tom thank you one more question on this that lets get rightly BC's chief White House correspondent Jonathan Karl because John. Some of these candidates have watched their own numbers tank with Trump's rise. They have got to break through tonight oh and it's not just their poll numbers it's the money David some of these candidates have fallen so far they are now having trouble raising money. If there's a real chance that one of those candidates at least one you see on the stage tonight won't even make it the next debate right we'll see eleven voices of their John Carlin night thanks to.

This transcript has been automatically generated and may not be 100% accurate.

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