As far as them not commenting on impeachment, they were very clear that it was not their role to determine that. They both made clear they were non partisan. Had they given a yes or no answer it would have been seized on and spun any number of ways.
Yes, I agree there is a lot of underhanded deals done in the past and most likely will be in the future. Do you think it's in the best interest of the country to turn a blind eye to it when presented with these facts?
I think the Repulicans are stuck in a bad spot. I think almost all of them believe he did it (just as you do) and they believe it is wrong. This is not my original thought, but I heard several commentators say that many Republicans would like to take the approach that, yes he did it, yes, it was very poor judgement, in the end the aid was released, this must never be done in the future, but it's not an impeachable offense.
Why won't they do this.... Trump himself... he insists it was a "perfect call" and Republicans have to protect him.
If Trump and the Republicans are going to continue to push the hearsay defense they need to allow Mulvaney and Bolton to testify (and anyone else with firsthand knowledge).
I still have more to watch, time ran out last night. One of my favorite lines I did see was after Jordan using his combative voice demanded the "person who started this" testify (i.e. the whistleblower) Dem Welch replied "we'd be glad to have the person who started it all come in to testify.... President Trump is welcome to take a seat right there"
--p.s. I saw your post asking for my thoughts on Bloomberg, no time right now, but I'll reply when I get a chance later