>> there are a lot of people out there yearning for somebody who is going to bring america back where we can begin to reignite the spirit of the united states of america. and let's stop fighting. >> reporter: another republican debate that was all about donald trump. and despite all of the efforts to derail and decry him, he still dominates the polls and the race. >>> let's speak to shihab in washington for us. we know in his latest move, donald trump has pulled out of a major gathering of conservative political figures. has there been much reaction to that? >> there's disappointment from the organizers, they are suggesting that he won't turn up because he didn't want to answer questions from the audience. but he doesn't need the sort of establishment conservatives. they have proved themselves to be utterly irrelevant to the campaign. this is more of a ted cruz sort of crowd. there was also word there might be some sort of walkout during his speech. why bother he must have...