The gravesites of former U.S. President John F. Kennedy (top), and his wife, former U.S. First lady Jacqueline Bouvier Kennedy (bottom) are seen at Arlington National Cemetery in Virginia October 29, 2013. November 22, 2013 marks the 50th anniversary of the Kennedy assassination in Dallas, Texas. REUTERS/Gary Cameron (UNITED STATES – Tags: POLITICS ANNIVERSARY) – RTX14SRD