not unheard of that president trump does -- doesn't stick to script. >> i remember, by the way, when ken starr, the independent counsel at the time, wanted to question bill clinton. they did it for four hours. >> yeah. >> he was at the white house. they let him do it at the white house out of respect for the president, but there was a video link to the grand jury that listened to the q&a. >> to add to dana's point, unless he is sort of compelled to do so, i would be skeptical because look at -- what do we know about his psyche as it relates to this investigation? if you judge by every public statement he's made, including what we have reported that he said in private, he thinks that this is, the whole thing is a hoax and the justice department should be investigating hillary clinton more. it's hard, i think, to -- oh, by the way, then james comey told him three times -- now this is a long time ago but told him three times he was not under investigation. it's tough to go from that to, hey, we need you to come sit