Edward Snowden, who leaked information to reporters earlier this month about the U.S. National Security Administration’s classified surveillance program, follows in the footsteps of a long line of government informants who have shared top secrets with the press and helped shake up the establishment. To some they’re considered heroes, to others traitors. To journalists, and the media at large, these stories are pretty much the holy grail.

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Matthew Green

Matthew Green runs KQED’s News Education Project, a new online resource for educators and the general public to help explain the news. The project lives at kqed.org/lowdown.

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