11/1/2015: Heroin in the Heartland, Smart Guns, The Slave Ship

Correspondent Bill Whitaker heads to Columbus, Ohio to examine the heroin epidemic in suburban America. Correspondent Lesley Stahl reports on smart guns, firearms that only work when they're fired by their owner. And correspondent Scott Pelley reports on Lonnie Bunch, the founding director of the Smithsonian National Museum of African-American History and Culture, and his mission to launch the institution with the remains of a slave ship.