Thousand years ago, we all descended from Africans who left the continent. Those ancestors, we will never know their name. We can go back 200 or 300 years and actually populate your family tree with real people who had names and documents. They had customs, characteristics that, unbeknownst to you, you have inherited. Almost through osmosis it has been passed down to you.

Like the amazing story of Anthony Johnson. This man was a slave, then became free, accumulated 250 acres, and even had his own slave, a black man who took him to court in Virginia in 1654.That man argued that he should be freed like an indentured servant. But Johnson, who we believe was a pure African from Angola, said, "No way, you're my slave." And the court agreed.

Our society is driven today by so much ethnic discord. We have Black Lives Matter, which I praise and celebrate. We have the demagogues stereotyping Muslims and resurrecting racist stereotypes they used to visit on us. The larger goal is to show that we are all the same, we all come from Africa, and we all have the same larger family tree. It's about the fundamental unity of the human community.

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.

Thousand years ago, we all descended from Africans who left the continent. Those ancestors, we will never know their name. We can go back 200 or 300 years and actually populate your family tree with real people who had names and documents. They had customs, characteristics that, unbeknownst to you, you have inherited. Almost through osmosis it has been passed down to you.

I think that the roots of racism have always been economic, and I think people are desperate and scared. And when you're desperate and scared you scapegoat people. It exacerbates latent tendencies toward - well, toward racism or homophobia or anti-Semitism.

We have to stop making excuses. One of the things that I'm careful to show is the horrendous effects of institutional and structural racism, but in the end, you can't wait for white man or a Black man to come riding in on a white horse to save you. We have to save ourselves, and that's the lesson of "The African Americans."