"World News With David Muir" Podcast - May 14, 2015

Amtrak 188 - Tragedy on the Tracks: Fast moving developments in the crash of the train. The crash is raising new questions about the safety of America's railways and the search is over for those missing. 

Deflate Gate: New England Patriots Quarterback Tom Brady has appealed his suspension, just hours before the deadline. 

Drone causes lockdown: The White House was on lockdown for almost an hour because of a drone flying close by - a man was tackled and accused of trying to fly it over the White House fence. 

Principal Makes Controversial Remarks: A principal in Georgia is underfire for making controversial remarks at graduation.