However you slice it, the optics at least are terrible. Congressfolk consorting with folk under criminal investigation, and dangling pardons even before trial as an inducement in a quid pro quo. In normal times, this would be a scandal of almost biblical proportion.
The US is plunging into lawlessness at breathtaking, break-neck speed, and the DOJ looks to be asleep at the wheel when it comes to dealing with the big fish. No wonder the grifters and crooks are coming put of the woodwork to secure their place in higher office. Politics is a racket where "too big to fail", or "it'll be too partisan or traumatic" to bring charges gives license for criming.