David Axelrod: “If I were them, I would be looking for politically it is incredibly difficult not to testify.”

Unless the economy and his numbers rebound, Republicans are going to feel less willing to follow him blindly.

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.

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.