9/11 changed everything. We lose more Americans every year drowning in the bathtub than through terrorism. But terrorism has been used as a lever to frighten people, pass legislation, sound tough and coerce us into giving away our rights in pursuit of phantom problems.

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.

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.

Warrantless wiretapping is an impeachable offense. It couldn't be any clearer.

Americans like to give their President the benefit of the doubt. If you look at the poll numbers, people knew Nixon was deeply involved in Watergate and stayed with him for a long time. It's a natural tendency.

Bill Rehnquist makes Barry Goldwater look like a liberal.

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.