My books are written with a strong chronological spine.

He (William Howard Taft) had little patience with the unconscious arrogance of conscious wealth and financial success.

Lyndon Johnson is still the most formidable, fascinating, frustrating, irritating individual I think I've ever known in my entire life. He was huge, a huge character, not only standing six feet four, but when you talked to him, he violated the normal human space between people. He was a great storyteller. The problem was that half his stories, I discovered, weren't true.

I still think about that one Jamiroquai video a lot.

There are 20,000 million books I could have to read, but I can pick the ones and know that I'm learning something that I didn't know before. That's the glory of writing. It's not even so much the writing, it's what you learn - especially history - because so much of it is research.

That is what leadership is all about: staking your ground ahead of where opinion is and convincing people, not simply following the popular opinion of the moment.

What I think I've learned is that you're never going to get it all right, and you can't obsess about having a fact wrong or a date wrong or something like that, as long as you tried as best you could. If you've done the kind of research that you're sure is pretty good, then you just have to have confidence in it, so that nothing is perfect in life. I think that is what the criticism has helped me to understand.