was rich in social capital and what happened is when people could move, you have this diaspora and it's sort of took something from that community. black businesses suffered comets additions like harperhigh school-- if you are black and lived in birmingham until the 1950s he went to harper high. it was the only high school. i could list a number of people who have gone to harper which is quite illustrious. when my father went to harper all of the teachers, all of them, every single one of them had masters degrees because they couldn't work anywhere else, so they went into teaching. that is a bad thing that they couldn't work anywhere else but imagine the kind of education you would get in that kind of environment. there was this sort of underside to integration that we don't always talk about that i had to face in very painful ways in writing this book and something that really makes me quite sad. >> thank you. we have run out of time. [applause] >> i want to thank you for coming and sharing this hour with isabel and michelle and me. thank you. they will be signing books in about 15 minutes in the authors tent which is on the other side of this. here is a portion of one of our progra