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I hadn't gone beyond the simplistic --- > McConnell and Ryan would LOVE to swap in Pence, but --- > are dubious about HOW MUCH this will cost them with voters. (Also you have the question of what kind of org Trump would set up to embarrass them. Can you run for election Third Party, having been impeached?!)
Handling N. Korea ... you see Trump as the right person to do it, much better than Pence to do it, that's a consideration that weighs heavily.
....
Agree that an impeachment sounds farfetched, even though Repub congressmen seem to be simply watching motionless, smirks aface, to see whether momentum develops for it.