saying, famously, after a question about military assistance, i would like you to do us a favor, though. that in and of itself is an impeachable offense, it's an abuse of power. you don't need a quid pro quo. that said, based on the testimony that's been offered, particularly what billn taylor said today, do you think there is enough evidence to demonstrate there was a quid pro quo? >> the cumulative effect of all the evidence we've seen is overwhelming andce decisive, an we haven't seen anything that contradicts any of it. one of my republican colleagues today said to me, well, there was no quid pro quo because they never actually got the information on the bidens they were looking for. but the evidence is just preclusive, it seems like there was this extraordinary effort for a shake down of a foreign government for corroboration, for a discredited conspiracy theory about the 2016 race, and also for the dirt that they