General Keith B. Alexander walks to greet guests after his retirement ceremony at the National Security Agency in Fort Meade, Maryland March 28, 2014. REUTERS/Brendan Smialowski/Pool (UNITED STATES - ... more 
General Keith B. Alexander walks to greet guests after his retirement ceremony at the National Security Agency in Fort Meade, Maryland March 28, 2014. REUTERS/Brendan Smialowski/Pool (UNITED STATES - Tags: MILITARY) less 
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Reuters | Photo By POOL / REUETRS
Fri, Mar 28, 2014 7:15 PM EDT