On his last day, according to historian Alan Brinkley, he woke up as a president "with admirers and detractors, a man with a record -- some of it good, some of it not. "By the evening of that day, he had become a legend, enshrouded in a fog of grief and posthumous adulation from which he has never fully emerged," Brinkley said. ...The number of books written about John F. Kennedy surpasses 40,000... How JFK went from history to memory -- which is how we choose to remember history -- and how that memory was shaped, is the subject of...