Shootings sharpen debate on U.S. electronic surveillance powers

The San Bernardino shootings are reviving a debate about Washington's digital surveillance effort to find and capture violent extremists, with the recent shutdown of a U.S. cellphone spying program coming under renewed criticism. The debate is long-running and pits a huge and powerful national security apparatus against privacy and civil rights activists, who prevailed recently on the National Security Agency’s (NSA) bulk collection of cellphone metadata.

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Shootings sharpen debate on U.S. electronic surveillance powers