In December of 1960, President-Elect John F. Kennedy was targeted for assassination by a bigoted man who hated Kennedy's politics, wealth, and religious affiliation. Thanks to a vigilant postmaster and Kennedy's personal security, the plot failed. But what if it had not? In the year 2161, a group of religious zealots, Eternity, discovered a way to go back in time with the goal of ensuring that the Cuban Missile Crisis ends in the destruction...