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WASHINGTON, DC - AUGUST 09: U.S. President Barack Obama answers reporters' questions during a news conference in the East Room of the White House August 9, 2013 in Washington, DC. Obama began the news conference by announcing the release of new details about the National Security Agency's surveillance programs while outlining steps to protect Americans' privacy and civil liberties. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - AUGUST 09:  U.S. President Barack Obama answers reporters' questions during a news conference in the East Room of the White House August 9, 2013 in Washington, DC. Obama began the news conference by announcing the release of new details about the National Security Agency's surveillance programs while outlining steps to protect Americans' privacy and civil liberties.  (Photo by Chip Somodevilla/Getty Images)