for telling a witness to lie to the congress of the united states. i think this is different. again, i think we will do our job in terms of conducting oversight hearings. this is clearly the most serious threat this president has faced. >> are you calling on your chair to open an investigation, hearings on this now before perhaps the mueller report comes out? >> i think we have to wait for the reports to be confirmed before we can call on that. i can tell you if the reports are confirmed and the evidence presented that the president of the united states directed mr. cohen to lie to congress, i won't have to call on mr. nad ler to do it. >> congressman nadler has been clear. he's called things impeachable offenses. for instance, in the stormy daniels situation, he said that's an impeachable offense but said it doesn't mean i think we should go forward with impeachment. again, i ask you, suborning