The Olympic Games have long been a favorite target of terrorists, from Munich in 1972 to Atlanta in 1996. And Thursday&#039s assassination of a British diplomat in Athens is a reminder that the city&#039s 2004 Olympiad may be an explosion waiting to happen. The leftist November 17 group claimed responsibility for the drive-by shooting of British military attache Brigadier Stephen Saunders, as a protest against his alleged role in NATO&#039s bombing of Serbia last year. Full Story