any impeachment of mr. trump should go beyond the ukraine affair and also accuse him of obstructing the russia investigation. back with us tonight, is chuck rosenberg, former senior official at the fbi. also happens to host our popular podcast called, for good reason, the oath. all right, chuck. what specific portion of the written testimony already submitted is raising flags now after the fact. subset question, is this a makeable case? >> yeah. so the portion we should focus on is president trump's denials that he knew about the connections with wikileaks that he was soliciting information about it, really that he had any knowledge that wikileaks had played a role in, you know, sort of exposing stolen emails to the public. and, you know, is it a makeable case? gosh, brian, that's a much more difficult question. perjury is a hard charge to bring, and normally what you need to make a successful