how does the moderator decide that there was a reference made to a grand stand error to a show off. how do they say wait a minute, that s for drurp to respond so? there s going to be some real calls tonight as to who gets that 30-second rebuttal. they re not going to say donald trump s a clown. they re going to stay too much clownishness. that s where it s going to be really tricky in the control room. yeah, let s talked about reaction shots. certain reaction shots have tanked people in the past. how do you think that s all going to play out as they re punching the shots for this tonight and everybody s paying close attention to the smallest of calculations for each candidate? reporter: trump is a natural on television and he is spontaneous.