World News National Terrorism Or Mechanical Failure? Here Are The Clues Investigators Look For 10:32pm May 21, 2016 News World National Security Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2016 NPR. To see more, visit NPR. 300x250 Ad More All Things Considered National Young people sued Montana over climate change and won. Republicans are pushing back Economy President Trump rattles markets again with new tariff threats by Scott Horsley 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate