Before 9/11 and Lockerbie, one brutal attack shook the world and inspired a new era of global terrorism. The hijacking of Pan Am Flight 73 in Karachi in 1986 is a story of terror and tragedy, but also a story of bravery and survival - one which could have been incalculably worse were it not for the actions of a group of rookie flight attendants and a Pan Am employee on the grou...