Lawmakers who have been briefed on the plots have expressed skepticism. At a July 31 hearing, Sen. Patrick Leahy said by his estimation the NSA's data showed the data collection had not foiled "dozens or even several terrorist plots."
NSA report may undermine privacy assurances
New revelations seem to undercut officials' statements
POSTED: 12:13 PM Aug 16 2013 UPDATED: 8:19 AM Aug 18 2013
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