Up until 1968, the United States government had a Top Secret plan for what to do in the event that the president died or went missing under mysterious circumstances. The plan was: Nuke the shit out of everyone right now.

Today is the 45th anniversary of John F. Kennedy's assassination, the subject of a new novel and unending, inconclusive debate. We may never know the real answer about what happened that day in Dallas, although the coming years will see more and more declassified documents released to the public, finishing with Jackie…