From the authors of Ultimate Sacrifice --"Explosive new material, based mainly on government documents from the National Archives" ( Vanity Fair ). John F. Kennedy's assassination launched a frantic search to find his killers. It also launched a flurry of covert actions by Lyndon Johnson, Robert F. Kennedy, and other top officials to hide the fact that in November 1963, the United States was on the brink of invading Cuba as part of a JFK-authorized...