Remember, we're talking [in The Black Power Mixtape] about 1967, the year before [Martin Luther] King's assassination. We're talking about the emergence of black power, which is a discussion King mentioned in his last book, Where Do We Go from Here: Chaos or Community? We're talking about the meaning of black power and the possibility that it alienated our supporters, both white and black.

Democracy is about criticism. I didn't elect Obama because he's a black; I voted for Obama because he was the right person at the time. Period. The exceptionalism of a black U.S. President is not important to me. It's what he does. And who he has at the table. And what he does to change the world - that's what's important.

What's more important is that we talk about movements; change happens through movements. The movement to end slavery, the movement to bring justice for those who have been left out of the system, movements to include women, movements around sexual preference - all these movements brought about change.

There is a lack of leadership outside the Beltway, outside of politics.

In The Black Power Mixtape , you hear the voice of Angela Davis - not someone playing Angela Davis.

I've been a Goodwill Ambassador for the UNICEF and the UNICEF family for more than twelve years

Since 1957, black people have experienced double-digit unemployment - in good times and bad times. Look at the population of African Americans in prison. They represent more than half the population of prisoners in the country, 55 percent of those on death row