Ellen Nakashima reports:
A federal surveillance court on Tuesday released a declassified opinion upholding the constitutionality of the National Security Agency’s sweeping collection of billions of Americans’ phone records for counterterrorism purposes.
The gathering of “all call detail records” from phone companies is justified as long as the government can show that it is relevant to an authorized investigation into known — and, significantly — unknown terrorists who may be in the United States, the Aug. 29 opinion states.
Read more on Washington Post. See also Charlie Savage’s coverage on the New York Times.