By the early 1960s, Jimmy Hoffa had a stranglehold on the presidency of the Teamsters Union. However, his nemesis, Attorney General Robert F. Kennedy, was convinced that Hoffa was a corrupt force whose heavy-handed influence over the union threatened the nation. As Attorney General, Kennedy established a "Get Hoffa Squad" that set out to unearth criminal wrongdoing by the labor leader in order to remove him from power. A number of criminal trials...