David Gergen: “He went after both the Obama administration and the George W. Bush administration and did it in a very harsh way.”

You can't out-Nixon Nixon very easily, but Donald Trump has.

It is time keep an eye on the Republicans in the Senate.

I think the evidence is still coming in that this country is deeply divided.

I think it's going to take something usually unexpected or a dramatic change in his health or a prison sentence to stop him.