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The Boston Globe

Nation

NSA director: Programs disrupted dozens of attacks

WASHINGTON — The director of the National Security Agency said Wednesday that once-secret surveillance programs disrupted dozens of terrorist attacks, explicitly describing for Congress how the programs worked in collecting Americans’ phone records and tapping into their Internet activity.

Vigorously defending the programs, General Keith Alexander said the public needs to know how they operate amid growing concerns that government efforts to secure the nation are encroaching on Americans’ privacy and civil liberties.

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