now to talk about the impeachment inquiry testimony. how busy is this week going to be? >> it's going to be very busy a capitol hill. you just pointed out there is a whole slate of witnesses and officials telling their story. there are diplomats telling their experience on the ground in ukraine. there are officials involved in the budget office that was overseeing the freeze of u.s. military assistance to ukraine, and there are also people that were on that phone call with the ukranian president, listening in while president trump was speaking to the new leader there, vladymir zelensky. there were people with direct knowledge of what was going on. people have been raising concerns about transparency, so that's what's coming up. >> are there particular players that are more prominent than others who are scheduled to