The National Security Agency declassified more documents that shed light on formerly secret programs that collect a vast amount of metadata on the phone calls made in the United States, as well as the electronic communication of foreigners.
In a statement, Director of National Intelligence James Clapper said the release was "in the public interest."
The most significant document is a 17-page ruling (pdf) by the secret Foreign Intelligence Surveillance Court that outlines so-called minimization procedures, or safeguards, the government must