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This Stanford engineering hero lecture features former U.S. secretary of defense and Stanford Engineering Hero, William J. Perry, as he shares his thoughts around Energy, National Security and Technology.Uploaded 11-10-13William J. Perry was secretary of defense of the United States from February 1994 to January 1997, deputy secretary of defense from 1993 to 1994 and under secretary of defense for research and engineering from 1977 to 1991 Learn more about your ad choices. Visit megaphone.fm/adchoices
