Laura Poitras is a documentary filmmaker, journalist and artist. She has just finished "Citizenfour," the third in a trilogy of films about post-9/11 America that includes "My Country, My Country," nominated for an Academy Award, and "The Oath," which received two Emmy nominations. In June 2013, she traveled to Hong Kong with Glenn Greenwald to interview Edward Snowden and made history. She has reported on Snowden’s disclosures about the National Security Agency (NSA) for a variety of news outlets, including The Guardian, Der Spiegel and The New York Times. Her NSA reporting received a George Polk award for National Security Reporting and the Henri Nannen Prize for Services to Press Freedom.