David Gergen: “No president is above the law.”

If he had a receptive audience, and I will tell you, when everything -- when all the facts were to come out, it would be like Nixon and the tapes.

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

I think we're in an unsustainable path. It's compared to being in a car on the edge of a cliff, and middle of the night with it with a rainy and no headlights.

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