National Security Agency (NSA) whistleblower and GAP client William Binney appeared on Democracy Now! for a four-part series on the expanding national security and surveillance state. Binney, a crypto-mathematician, resigned from the NSA in protest over its domestic surveillance program in 2001. He was a key source for the recent exposé in Wired magazine about how the NSA is drastically expanding its surveillance. Watch the other parts here: Part 2, Part 3, Part 4.