Had there been no Dallas, there would been no Camelot. There would have been no John F. Kennedy as brilliant statesman cut off in his prime, had it not been for those riveting days from Dealey Plaza to Arlington and the lighting of the Eternal Flame. Along with the unsleeping labors of an idolatrous press and the propagandists who control America's popular culture, those four days created and sustained the Kennedy Myth. But, over 50 years, the effect has begun to wear off. The New York Times reports that in the ranking of presidents, Kennedy has fallen further and faster...