Letter to Patrick Leahy re: USA PATRIOT Act Sunset Extension Act of 2011, S. 193 (Feb. 2, 2011) Share Tweet Email Library association letter in support of the USA PATRIOT Act Sunset Extension Act of 2011, (S. 193). lt-leahypatriot-02feb11.pdf 2011, Legislation, Letter, Privacy, Security, and Civil Liberties, Publications, Text, USA PATRIOT Act