Questions emerge after South Korean plane crash kills 179 people
Questions emerge after South Korean plane crash kills 179 peoplehttps://talk103fm.com/wp-content/themes/movedo/images/empty/thumbnail.jpg150150adminadminhttps://secure.gravatar.com/avatar/6e775599c6cae59b48d21c1110feedc9?s=96&d=mm&r=g
It could take years until more details emerge about what caused the South Korean plane crash that killed 179 people. Robert Sumwalt, the former chairman of the National Transportation Safety Board, joined CBS News with more. source