Ethics Aside, Is NSA's Spy Tool Efficient.

Authors :: Bialik, Carl
Source :: Wall Street Journal - Eastern Edition. 6/15/2013, Vol. 261 Issue 139, pA4-A4. 1/6p. 1 Black and White Photograph.
Publication Year :: 2013
Abstract: The article analyzes the efficiency of the U.S. National Security Agency's (NSA) program to collect metadata from personal electronic communications, with information on the percentage of innocent civilians whose privacy is violated in the aim of combating terrorism.