The removal of Bill Cosby from his cultural pedestal seems pretty complete.

In a moment when young black voters were key to the election and the reelection of a black president, when the Department of Justice has been led these years by the first two African-American attorneys general, when many big cities boast African-American league prosecutors and police chiefs and mayors, even in this moment, why is it that it still feels to so many young people that there is more power for change on the court than in the courts?

I don't think that a white woman is in denial when she dyes her hair blonde. And I actually think we are the most varied in terms of the choices we make about our hair. Some of it may be political or psychological, but an awful lot of it is just aesthetic, how we like to view ourselves when we look in the mirror.

I had a friend say to me the other day, I hate when I see Jonathan Metzl on your show because I know it`s bad news. I know that there has been a shooting.

As we watch Republican candidates like Scott Walker and Rick Perry and Bobby Jindal and George Pataki, and even Jeb Bush and Chris Christie, guys who are either out or who are really struggling to stay in, it might seem like the Republican Party is no longer a very strong party. There may be people who use the Republican label, but the party itself might feel like it`s in a bit of disarray.

Having a white parent undoubtedly makes for a different childhood experience than having two black parents.

Drink lots of water, and nap. I've made some really big messes along the way, whether on the academic side or on the media side. It hasn't been a straight path. But a lot of those mess-ups have led to opportunities, so I guess I'd say be fearless, and keep bottled water with you, so you don't dehydrate.