Capt. Sullenberger: Aviation culture needs to allow pilots to get help

It was the co-pilot of Germanwings Flight 9525, Andreas Lubitz, who was in the cockpit when the plane crashed into the French Alps. Investigators called it a "deliberate" move, one that killed Lubitz and 149 others. His motive is still unclear, leading to questions about how the aviation industry screens pilots for issues like mental health. (www.cbsnews.com) More...