David Gergen: “But this is a campaign that sort of ran out of gas.”

It's very, very big. Not legally, but politically, it's a very, very big deal.

Maintaining the status quo with regard to the filibuster is unacceptable for him.

We're entering some kind of the most dangerous days of Donald Trump's presidency. He is erratic.

One more sign that he just doesn't give a damn how he changes our traditions and overrides our norms.