We go where our family goes. We go where our friends are, and because our social networks are so segregated by race, we end up with what we have. We also find that, you know, if you're immigrants, you're not part of that history.

Humor is so culturally based that when I try to tell a joke as me being a white American, if I tell other white Americans, they'll laugh. If I tell an African American, they might not laugh. In fact, they either might not find it funny, or they might find it offensive, and I didn't mean it to be offensive. So these are the sort of little things that build up over time, just like in a marriage. You know, the little things can build up over time.

In part because they had no choice, right? If you were a slave, you did what the master said. And they said to worship: "You're going to worship with us."

I see it happen in uniracial congregations all the time. But people - when they're in mixed company, we speak differently.

Preaching styles and people being slain in the spirit and things like that. Now it doesn't happen in all black churches, and it happens sometimes in white churches, right? But on average they're quite a bit different.

What sort of difficulties would happen when people of different cultures try to come together to worship? Tiny little things such as let's tell jokes with each other.

So you find a lot of these sixth Americans congregate in these interracial congregations. They hang out together at work, at school, wherever.