How about this from none less than Senator Feinstein of California. She also happens to have been the head of the senate intelligence committee which is supposed to hold the intelligence departments accountable. They (CIA, NSA, FBI, etc.) always ask for more powers, it's her job (and the job of the entire committee) to protect Americans and their privacy and protection under the law.

Senator Dianne Feinstein Urges Senate Support for USA-Patriot Act Reauthorization http://www.feinstein.senate.gov/public/index.cfm/press-relea...