The Editors, Bloomberg, 26 January 2014
Of the many questions that still surround the National Security Agency’s vast global spying operations, one seems especially pertinent: Do they actually work? That is, have they helped to prevent terrorist attacks against Americans?
In the case of the NSA’s phone-data program — in which the agency vacuums up information about essentially every call made by Americans — it’s getting harder and harder for the government to answer yes. The latest evidence comes from a report last week by the Privacy and Civil Liberties Oversight Board, an independent federal agency established on the recommendation of the Sept. 11 Commission to balance the right to liberty against the need to prevent terrorism.
