There's a boom in genealogy now. With ancestry.com and other sites digitizing so many of the records, you can now find things in a few minutes that used to take months.

But you see, our society is still trapped in this binary, black/white logic and that has had some very positive implications for our generation. It's had some very negative ones as well and one of the negative ones is that it creates enormous identity problems for people who have one black ancestor and all white ancestors for example.

Everybody wants to have sex - you don't have to have a baby when you're 16. You don't have to do drugs. I think our Sunday schools should be turned into Black history schools and computer schools on the weekend, just like Hebrew schools for Jewish people, or my Asian friends who send their kids to schools on the weekend to learn Chinese or Korean.

I didn't feel particularly close to my father.

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.

People don't realize what a brilliant politician Lincoln was. Looking back, we want to ascribe a level of providence to his every decision but he was a cunning and calculating politician; from the cultivation of his image as a hayseed from Illinois, to his ability to keep this country together under dire circumstances.

You should not pick an occupation because your think your parents want you to do it, or because you think it's the noble thing to do. You should only pick a job because it turns you on.