White House Chief of Staff Denis McDonough speaks during a retirement ceremony at the National Security Agency on Friday, March 28, 2014, at Fort Meade, Maryland. US Secretary of Defense Chuck Hagel attended the event to mark the retirement of General Keith B. Alexander from the Army and as head of the National Security Agency, the Central Security Service and U.S. Cyber Command. (AP Photo/Brendan Smialowski, Pool)
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