was a book in the making for some time or was there some watershed moment where you concluded you must write it? if it's the latter, what was the watershed moment? i look forward to reading the book. >> you may have heard i was fired. >> a little bit of humor there. former fbi director james comey. one subplot of the book tour is whether one of his answers might contradict anything he told the special counsel or might possibly undermine his credibility as a possible future courtroom witness. here's a good test. take your answers about president trump's chief of staff, then chief of staff, excuse me, to vice president cheney. remember, he's a potential witness. listen closely. >> there's a reason that president george w. bush, for whom scooter libby worked, refused to pardon him after reviewing the case in detail.