How pilot Tammie Jo Shults stayed calm in the cockpit

Twenty minutes after takeoff, Southwest Flight 1380 had to make an emergency landing. One of the engines had exploded, sending metal fragments into cabin and shattering a window, killing passenger Jennifer Riordan. Pilot Tammie Jo Shults, a former navy pilot, is being praised for how she reacted. Science correspondent and aviation expert Miles O'Brien joins Judy Woodruff to discuss what happened.