Nightline Primetime; Aaron McGruder; Horton Foote

Ted Koppel, Robert Krulwich, and Tom Bettag talk about a temporary prime time run for ABC's "Nightline." Cartoonist Aaron McGruder discusses his successful comic strip, "The Boondocks." Playwright Horton Foote on his memoir, "Farewell: A Memoir of a Texas Childhood."