Anderson Cooper Confronts a Dark History | FINDING YOUR ROOTS, Preview | PBS

Watch the full-length episode at http://video.pbs.org/video/2365335848/?Utm_source=youtube&utm_medium=pbsofficial&utm_campaign= (US Only)
TV journalist Anderson Cooper discovers a surprising fact about his Civil War era ancestors, and must reconcile with his family’s dark past. For more, visit http://www.pbs.org/wnet/finding-your-roots/