Neither a random event nor the act of a lone madman--the assassination of President John F. Kennedy was an appalling and grisly conspiracy. This is the unvarnished story. With deft investigative skill, David Kaiser shows that the events of November 22, 1963, cannot be understood without fully grasping the two larger stories of which they were a part: the U.S. government's campaign against organized crime, which began in the late 1950s and accelerated...