dropped the mike flynn probe which we heard the move to fire robert mueller, dangling pardons potentially in front of witnesses and wanting cohen to lie to congress. from what you've heard in the public record and committees have you heard enough to make the allegation that donald trump has been guilty of obstruction of justice? >> there may be more to all of the growing body of factual evidence relating to obstruction of justice because as you know, there are five house committees that are investigating all of the different things that the trump organization has been doing, and so i think that when you build a case like that, you just keep adding to it. this may not be all that is there for obstruction of justice. >> let me -- >> did you mention witness tampering? >> uh-huh. >> yeah. tampering with witnesses. we have it. >> going after michael cohen and by threatening that maybe his father-in-law has something to