FILE - In this Jan. 17, 2014 file photo, President Barack Obama waves to the audience after he spoke about National Security Agency (NSA) surveillance, at the Justice Department in Washington. Several of the key surveillance reforms unveiled by President Barack Obama face complications that could muddy the proposals’ authority, slow their momentum in Congress and saddle the government with heavy costs and bureaucracy, legal experts warn. (AP Photo/Charles Dharapak, File)
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