Bush had expertise in one thing: How to run a Presidential campaign. He understands campaigns and Presidential politics. He has no interest or disposition or I think probably - he's not stupid, but he's not bright, he's not a rocket scientist - he isn't interested in policy.

There are similiarities between Nixon and Trump, no question. But there are also big differences. Nixon was shy, private, he attacked the media behind closed doors and insulted people behind their backs, and we only know about it because of the taping system in the Oval Office. The dark side, the vengeance we only know because of these tapes. Trump is right out and front with it. He actually campaigned on how nasty he can be, which found resonance with enough voters to get him into the White House.

One of the reasons I thought a censure resolution was appropriate was because if somebody had censured Nixon or even if a resolution of either house had passed, saying what you're doing is unacceptable to Congress, that shot across the bow might have straightened him up.

Granted, terrorism is a real problem everywhere. But you can't prevent it. Terrorists are nutcases who are hellbent on killing people for ideology. That's pretty hard to stop.

I began by telling the President that there was a cancer growing on the presidency, and if the cancer was not removed, the president himself would be killed by it.

There's a political reality about impeachment. It's purely a political process. The interpretation of "high crimes and misdemeanors" can reach a long way, all the way to sex in the Oval Office, which was an absurd use of the impeachment clause.

I'd give Donald Trump an "F." This has been the worst 100-day transition in my lifetime. And I was born during Franklin D. Roosevelt's term. This White House is by far the worst-run I have ever seen, certainly in modern times.