Edward Snowden

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Photographers take pictures as light shines through a cabin window on seat 17A, the empty seat that an Aeroflot official said was booked in the name of former CIA technician and National Security Agency leaker Edward Snowden, during Aeroflot flight SU150 from Moscow to Havana on June 24, 2013. Confusion over the whereabouts of Snowden grew after the flight flew from Moscow to Cuba with the seat remaining empty. (Associated Press)

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White House press secretary Jay Carney said on Monday, June 24, 2013, at the White House in Washington that the U.S. assumes Edward Snowden is now in Russia and that the White House expects Russian authorities to look at all the options available to them to expel Mr. Snowden to face charges in the U.S. for releasing secret surveillance information. (AP Photo/Evan Vucci)

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** FILE ** A TV screen shows a news report of Edward Snowden, a former National Security Agency contractor who leaked top-secret documents about sweeping U.S. surveillance programs, at a shopping mall in Hong Kong Sunday, June 23, 2013. (AP Photo/Vincent Yu)

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Pro-democractic legislator Claudia Mo Man-ching speaks next to a picture of President Obama and Edward Snowden during a news conference in Hong Kong Friday, June 14, 2013. (Associated Press)

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**FILE** A banner supporting Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, is displayed at Central, Hong Kong's business district, on June 17, 2013. (Associated Press)