David Axelrod: “I don't think this is the last such outrage we're going to see because I think what's clear after a year of experience…”

I think the darker interpretation of what we saw today is that they were setting up a pretext, he and the vice president for walking away from Ukraine and blaming Zelenskyy for it.

The place where it has influenced politics is in Canada. Now, Justin Trudeau is not -- he's stepping down. He's going to step down. But there's going to be an election in the next few days for the new Liberal Party leader and then there…

The nature of presidential politics is the bar gets raised constantly.

I think there's a lot of concern among Republican officeholders. Governor Pawlenty could speak more readily to this than me.