Brown v. Board of Education; Governor Robert Casey; V. S. Naipaul

Forty years after Brown v. Board of Ed. ended school segregation, NAACP lawyer Jack Greenberg, Melba Beals--one of the Little Rock Nine--and journalists Paul Robeson, Jr. and James Traub discuss its impact on society today. Pennsylvania Gov. Robert Casey discusses the illness that threatened his life in politics--and the heart and liver transplant that saved him. Author V. S. Naipaul on his novel, "A Way in the World."