WASHINGTON (AP) — New revelations from leaker Edward Snowden that the National Security Agency has overstepped its authority thousands of times since 2008 are stirring renewed calls on Capitol Hill for serious changes to NSA spy programs, undermining White House hopes that President Barack Obama had quieted the controversy with his assurances of oversight.

An internal audit provided by Snowden to The Washington Post shows the agency has repeatedly broken privacy rules or exceeded its legal authority every year since Congress granted it broad new powers in 2008.

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