inconsistent speeches? you would think that this president, if he really made a perfect call, would want people, all the president's men, to come there and testify about the level of his perfection. >> that is the weakness. that is the weakness of the argument, which is if everything was good and everybody can defend him and excuse him and exonerate him, why is he keeping them from testifying? all right. but then we bounce back to the idea of what is being asked for vr versus what is being offered on the democrats. you brought up the issue of witnesses. it's the perfect pivot. former v.p. joe biden obviously running for the democratic nomination in 2020 for president. he was asked about, well, what if you're called? that's one of the horse trading arguments here. the democrats are going to have to give if they want to get anybody. they don't have the numbers. here's what he said. >> do you stand by your earlier statements that you wouldn't comply if you were subpoenaed to testify in an impeachment trial before the senate? >> correct. and the reason i wouldn't is