The man in the natty suit smoked a cigarette, ordered a bourbon and soda and carried a bomb in his briefcase. He sat in the rear of the passenger cabin on Northwest Orient Flight 305 from Portland to Seattle. Shortly after takeoff, he slipped the flight attendant a note explaining his intention to hijack the plane. Calmly, he put on a pair of sunglasses, demanded $200,000 in ransom and directed the pilot to land in Seattle. Once on the ground, the hijacker let 36 passengers exit, accepted the $200,000 and instructed the pilot to fly to Mexico. On Nov. 24,...