David McCullough

With the Truman book, I wrote the entire account of his experiences in World War I before going over to Europe to follow his tracks in the war. When I got there, there was a certain satisfaction in finding I had it right - it does look like that.

I'm one of those people who is colour blind to a certain degree. And that doesn't mean I'm not acutely aware of race in our country and abroad and in the world. I know what's going on, and I'm very aware of it.