Former United States President John F. Kennedy (R) meets with Nikita Khrushchev, former chairman of the council of Ministers of the Soviet Union, at the U.S. Embassy residence in Vienna, Austria in this June 1961 handout image. November 22, 2013 will mark the 50th anniversary of the assassination of President Kennedy. (Photo by Evelyn Lincoln/Reuters/The White House/John F. Kennedy Presidential Library)
