making him so frustrated. >> julian, when you look at the tweets coming from the president, you know, at rapid speed since the friday night firing, it doesn't, it does fit seemingly a pat certain, does it not, that he's airing his frustration, at the same time maybe potentially trying to taint the pool of opinion about what is right and wrong about the overall mueller investigation, about law enforcement, the fbi as a whole. >> i think that's exactly right. part of what he does with each tweet is to vent and to express anger, frustration, whatever you want to call it, as the investigation gets closer to him, but the second part i would suggest is a political strategy, to discredit the investigation, whether he can or cannot fire robert mueller, that's one issue. the other issue is if he can convince enough members of congress and the public that the whole thing is fake, and that there's nothing there. and these tweets come after we have a number of guilty pleas, a number of indictments, all sorts