Any suggestion that I'm writing about political operatives because I'm interested in political operatives misses the entire point.

I recently did the David Letterman Show about my book. He was very serious and made no jokes and it caught me off guard a little bit. He was much more serious than some of the joke shows that journalists get on.

There may yet be another Watergate book. I have thought a book about the aftermath of Watergate and its impact could be done, perhaps by me or someone else.

Watergate provides a model case study of the interaction and powers of each of the branches of government. It also is a morality play with a sad and dramatic ending.

I think the problem in the Republican Party is really not money. I think they've got lots of it. I think it is theory of the case - why are we here, what is our message, how to connect to the real world.

Not a season passes without new disclosures showing Nixon's numerous attempts at criminal use of his presidential powers and in fact the scorn he held for the rule of law.

The central dilemma in journalism is that you don't know what you don't know.