1/17/2016: The Great Brain Robbery, Sean Penn, Mountain Lions of L.A.

Chinese economic spying is costing U.S. corporations hundreds of billions of dollars and may be causing a national security risk. Leslie Stahl reports. Actor Sean Penn speaks to Charlie Rose in his first interview since his controversial meeting with the “El Chapo.." Bill Whitaker goes on safari in the Los Angeles Hills to report on Park Service biologists as they monitor the mountain lion population.