As Barack Obama campaigned his way to the presidency, self-described lily-white writer Tanner Colby began pondering exactly why he and so many other white people basically had no black friends. The reasons are complex, ranging from school policy to real estate practices to media image-making to church politics, but the former Vestavia Hills resident dives right in from the springboard of his own life, recognizing his ignorance the whole way. The result: 'Some of My Best Friends are Black: The Strange Story of Integration in America.' Our Southern Education Desk reporter Dan Carsen caught up with Colby soon after the author appeared on MSNBC to discuss America's persistent racial separation.