michael cohen has already appeared before congress talking about a lot of things. and this idea he told trump about the russia meeting before it happened is, to us, very much new news. so mr. cohen, if you've got something new to say, you need to come to congress and say it under oath. >> joining me now, congressman of tennessee. i want to get your opinion of what lindsey graham just said about michael cohen. do you think he makes a good point, or do you think it's the president that loses in the credibility department? >> i think that michael cohen, rudy giuliani and donald trump have about the same amount of credibility. they all use at best situational ethics but probably more likely they just lie constantly and they're all three pathological liars. >> okay. well, that's saying something. i want to play for you what rudy giuliani said about michael cohen here from an interview earlier. >> and the man is a pathological