In America one drop of black ancestry makes you black.

People are afraid, and when people are afraid, when their pie is shrinking, they look for somebody to hate. They look for somebody to blame. And a real leader speaks to anxiety and to fear and allays those fears, assuages anxiety.

My father, if anything, first and last, was a man of words. He loved stories; he didn't live for stories, exactly, but I think he lived through stories. I think, like many writers, he loved stories about things he had experienced as much as, if not more than, he loved the experiences themselves.

So when you do your family tree and Margaret Cho does hers, and... Wanda Sykes and John Legend... we're adding to the database that scholars can then draw from to generalize about the complexity of the American experience. And that's the contribution that family trees make to broader scholarship.

The sad truth is that without complex business partnerships between African elites and European traders and commercial agents, the slave trade to the New World would have been impossible, at least on the scale it occurred.

America is the greatest nation ever founded. The ideals are the greatest ever espoused in human history, and we just need the country to live up to them. But what I worry about are the 1 million black men in the prison system.

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.