Watch: Deadly plane crash at Afghanistan's Bagram Airfield

      |WARNING GRAPHIC CONTENT: Video shows what appears to be a plane that crashed shortly after takeoff from the Bagram Air Base in Afghanistan killing all 7 people aboard. The U.S. led military coalition says the cause of the crash was being investigated by emergency crews that rushed to the site, but there was no sign of insurgent activity in the area at the time. CBS News believe