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U.S. Strategic Nuclear Policy: A Video History, 1945-2004
Sandia Labs Historical Video Documents History of U.S. Strategic Nuclear Policy

http://www.gwu.edu/%7Ensarchiv/nukevault/ebb361/index.htm
 

The above link will take you to a video history of the US Strategic Nuclear Policy as documented by the Sandia Lab.  The four part series is at the bottom of the webpage and each is approximately 1 hour in length.