FILE - In this June 3, 1961, file photo, Soviet Premier Nikita Khrushchev and President John F. Kennedy talk in the residence of the U.S. Ambassador in a suburb of Vienna. The meeting was part of a series of talks during their summit meetings in Vienna. Fifty years after the Cuban missile crisis, the National Archives in Washington has pulled together documents and secret White House recordings to show the public how President John F. Kennedy deliberated to avert nuclear war. The exhibit opens Friday, Oct. 12, 2012, to recount the showdown with the Soviet Union. It is called "To the Brink: JFK and the Cuban Missile Crisis." (AP Photo)