Former NTSB chair on what could've caused Ryanair plane window to break during flight

A Ryanair flight was forced to make an emergency landing after a window dislodged during the flight, injuring a passenger whose head and shoulders were sucked out. Former National Transportation Safety Board Chair Robert Sumwalt joins to discuss. A Ryanair flight was forced to make an emergency landing after a window dislodged during the flight, injuring a passenger whose head and shoulders were sucked out. Former National Transportation Safety Board Chair Robert Sumwalt joins to discuss.