David Axelrod: “This is a guy who will punch down at anybody who takes a shot at him.”

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

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.

There's no doubt about that. But I also want to say this. You know, all presidents sort of feed off of perceptions of the person who came before and they want to position against what people found lacking in the person that came before.

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…