it away, said silly things about character assassinations or the process and denying there was a quid pro quo when there quite clearly was, they keep moving this goal post. they're now at the point where they'll have to say yes, it happened. yes, it was terrible. but it's not enough -- it doesn't rise to the level of impeachment. that i suppose is a fair argument, but they should cut the nonsense and just get to the truth because there's an overwhelming amount of evidence and they should get there. >> congressman, good to have you here in studio. >> my pleasure. two people who have been following this very closely, an investigative reporter from "the washington post" who wrote about the revised attorney and barbara mcquade, also an msnbc legal analyst. barbara, let me start with you. how significant is this remarkable addendum from the person who i think at this point it's fair to say in terms of the people that have testified is one of the key witnesses. >> i think it's very