on the main stage after a one-night engagement in the undercard debate. he could be a big factor tonight. he knows how to control this type of event. number three, they will get 75 seconds, candidates get 75 seconds to answer the questions, they will get 30 seconds to respond if they're named by someone else, rebuttal, if you will, 30 seconds. they both get opening and closing statements as well. the candidates could get a chance to set the tone early on. finally this space, this is the venetian theater. a theater built for "phantom of the opera" to come to las vegas. seats 1400 people. "phantom" ran six years here. this is a space that knows drama, maybe nothing like tonight unless they start singing. >> all right, john, let us know if there's prefight trash talking that we need to know about as candidates take the stage. ted cruz is not going to like hearing himself described as moving to the center. he says he is the man on the right lane and he's going to