testimony to go through that will be part of this public hearing. >> harris: forgive the interruption, but this is a little different then going back and asking a bunch of questions. specifically, did she lie? and how significant is that why versus the truth? katie? >> katie: that will be the question. it is significant in the sense of, when people are watching this play out at home, the question is, do they really carg back and forth between the u.s. ambassador to ukraine and a democratic staffer? and whether or not the credibility of witnesses will hold up to what adam schiff needs t to go forward with real vote on articles of impeachment. when you have people lying about their contact with the democrats who are running this thing, that becomes an issue people and it's beneficial for trump. are the people who are cooperating with the investigation, do they have a political ax to grind? to melissa's point, i just want to bring this up -- yesterday there was news from the senate.