But then Sabato and Shenon go astray. Like so many others since the JFK assassination, they try to figure out what the motive of the accused assassin Lee Harvey Oswald was. In the Politico article, they posit that maybe ?" just maybe?"Oswald somehow discovered the super-secret assassination attempts against Cuban leader Fidel Castro by the CIA and the Mafia, which had entered into an assassination partnership to kill Castro. Their thesis is that Oswald, as a supposed communist, loved and revered Castro, and therefore decided to retaliate by