President Obama glances at Britain's Prime Minister David Cameron (right) during a news conference with European Union officials at the G-8 summit in Enniskillen, Northern Ireland, on Monday.
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U.S. Army Gen. Keith Alexander, commander of the U.S. Cyber Command, director of the National Security Agency (NSA), testifies during a Senate Appropriations Committee hearing on Capitol Hill, on Wednesday.
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In a 12-minute video on The Guardian's website, Edward Snowden, a former technical assistant for the CIA talks about how American surveillance systems work and why he decided to reveal that information to the public.