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

There haven't been fundamental structural changes in America. There's been a very important symbolic change and that is the election of Barack Obama. But the only black people who truly live in a post-racial world in America all live in a very nice house on 1600 Pennsylvania Avenue.

The thing about living in a village at the foot of a mountain is that the world for you becomes, without thinking about it, self-contained. People are of two kinds, really: from the Valley, and from Elsewhere.

If Martin Luther King came back, he'd say we need another civil rights movement built on class not race.

My producers and I worked with these consultants and came up with seventy [stories] which we think are exemplary of the larger arc of African-American history between 1513 and 2013. We covered half a millennium, and it's amazing.

Wherever you go in the history of America, there have been Black people making contributions, but their contributions have been obscured, lost, buried.

Ending the slave trade was contrary to British economic interests. For all its limitations and hypocrisies - British slavery itself, of course, still continued to exist - I still think it was a great moment in human history.