Excitement about things became a habit, a part of my personality, and the expectation that I should enjoy new experiences often engendered the enjoyment itself.

I keep thinking that history runs in cycles, and that some day certain large issues will come before the country again. There will be leaders that inspire young people. I don't think it means that it's over forever, but I'm getting pretty impatient. I'm hoping it comes soon, so that my young people can know that experience that we knew in the '60s, and that the World War II generation knew during the '40s.

Years of concentration solely on work and individual success meant that in his retirement [Lyndon Johnson] could find no solace in family, in recreation, in sports or in hobbies. It was almost as if the hole in his heart was so large that even the love of a family, without work, could not fill it.

My books are written with a strong chronological spine.

What the American Dream means to me is the fact that - what founded this country - when I think about those posters that were put up in Europe, which said, "Come to America and you'll have golden sidewalks. The land will be yours." There was something so inspirational about the fact that these immigrants from all over the world felt that here was a place of freedom, a place of opportunity.

When I do research, I have done - 90 percent of my time is the research, the other ten percent is the writing. So I don't have to face a blank piece of paper. I can look at this as a quote that I have from somewhere.

They all start competing against Lincoln as the greatest president. And the [library] building becomes the symbol, the memorial to that dream.