I try to be sensitive, but the atmosphere I create is very supportive. One overriding premise of the series is that guilt is not heritable. It's good to know about them, but you are not responsible for them. You don't have to apologize for them. It's a process of knowing, and the more you know, the richer the sense of yourself. The firmer your foundation as a human being is

Lincoln would love the fact that Obama is such a great conciliator, trying to transcend ideology.

What people forget is that the most radical thing about Obama is that he was the first black man in history to imagine that he could become president, who was able to make other Americans believe it as well. Other than that, he is a centrist, just like I try to be. He's been bridging divisions his whole life.

I would like to do a series about sequencing the human genome, and also analyze more human diversity among other ethnic groups - a 'Faces of America 2.'

Color categories are on steroids in Latin America. I find that fascinating. It's very difficult for Americans, particularly African-Americans to understand or sympathize with.

I'd say imagine that you wake up one morning when you're going through a midlife crisis. You're getting divorced. Your kids won't speak to you. Their faces are covered with acne, and you have to decide why you should get out of bed. That's the career you should pick. The one that keeps you going no matter what, even if your life is falling apart. That's how I feel about my career.

The first slave to read and write was the first to run away.