WASHINGTON -- On Nov. 21, 1969, John F. Kerry made a crucial decision: He wanted to leave active duty in the Navy in order to run for Congress. "Because various political figures have advised that I move quickly to establish my organization, I respectfully request that I be released from active duty as soon as possible," Kerry, who was serving as an aide to an admiral in Brooklyn, wrote in a memo. Kerry won early release and was transferred to the Naval Reserve, which the Kerry presidential campaign says required that Kerry do no more than report his whereabouts in...