My father said I was perfectly suited for Washington because I've always worked around nuts.

I suddenly realized at the CIA that I had to make life-and-death decisions about people.

I think my best advice would be to separate Donald Trump, the president of the United States from whatever investigation is being conducted by the FBI. I mean, there is something to be said, frankly, about the need for the appointment of an independent prosecutor because the American people are entitled to have a full review of what happened as a result of what the Russians did during our election.

The political and substantive reality is that the agenda has to change. I don't think they have any choice.

My whole life has been dedicated to public service.

An aggressor nation or extremist group could gain control of critical switches and derail passenger trains, or trains loaded with lethal chemicals.

Caution is an important quality in a leader, but it has to be caution followed by decision. Caution followed by ambivalence can be a weakness.