books.google.com - “This, very simply, is the most informative book ever written on the inside bureaucratic struggles and the outside operations of the National Security Agency. Matthew Aid is our reigning expert on the NSA .”—Seymour M. Hersh, author of Chain of Command: The Road from 9/11 to Abu Ghraib Peering...http://books.google.com/books/about/The_Secret_Sentry.html?id=x_K2rb-OShMC&utm_source=gb-gplus-shareThe Secret Sentry
