Gates on African American History, Music and Film

Henry Louis Gates Jr., professor at Harvard University, director of the W.E.B. DuBois Institute for African and African American Research, as well as the author of Life Upon These Shores: Looking at African American History 1513-2008, continues this month's series on African American history. This week: music and popular culture, including Billy Eckstine, Thriller and the television show Roots.