Senators from both sides of the aisle questioned the director of the National Security Agency says over surveillance programs. Keith Alexander says they have disrupted or helped disrupt dozens of ... more 
Senators from both sides of the aisle questioned the director of the National Security Agency says over surveillance programs. Keith Alexander says they have disrupted or helped disrupt dozens of terrorist attacks. (June 12) less 
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Wed, Jun 12, 2013 4:33 PM EDT