TED: Richard Ledgett: The NSA responds to Edward Snowden’s TED Talk - Richard Ledgett (2014)

Summary: After a surprise appearance by Edward Snowden at TED2014, Chris Anderson said: "If the NSA wants to respond, please do." And yes, they did. Appearing by video, NSA deputy director Richard Ledgett answers Anderson’s questions about the balance between security and protecting privacy.