I think this tells us WHO got to Flake...
https://www.motherjones.com/politics/2018/09/george-w-bush-is-still-bad/
However, the more solid info available is that he's at the top of the list in integrity, patriotism, Christianity, honesty, skills, etc. Seems to me, the best choice, at this point, is to support him.
BTW, some have slighted his intellect. I disagree. He doesn't wear it on his sleeve. However, in response to question after question he came back with relatively quick, extremely informed, solid, knowledgeable, sharp responses. He had clearly done a lot of very clear and sharp thinking well ahead of the committee.
And, his interns/clerks all spoke very highly across the board--including his intellect.
See this Twitter feed that I just stumbled across. She knows who the 4th guy was at the party and she said Kav dropped his name in the hearing. I cant quite understand what all she is saying, but it IS interesting. Also interesting is who she is tweeting to, Trump Jr., Sara Carter reporter, others.