The law that George W. Bush directly violated and flaunted by ordering electronic surveillance without a court order is contained within the following portion of the United States Code:
TITLE 50--WAR AND NATIONAL DEFENSE
CHAPTER 36--FOREIGN INTELLIGENCE SURVEILLANCE
SUBCHAPTER I--ELECTRONIC SURVEILLANCE
§ 1802. Electronic surveillance authorization without court order; certification by Attorney General; reports to Congressional committees; transmittal under seal; duties and compensation of communication common carrier; applications; jurisdiction of court
§ 1804. Applications for court orders
§ 1805. Issuance of order
§ 1806. Use of information
§ 1807. Report to Administrative Office of the United States Court and to Congress
§ 1808. Report of Attorney General to Congressional committees; limitation on authority or responsibility of information gathering activities of Congressional committees; report of Congressional committees to Congress
The sanctions for such crimes are covered here:
§ 1809. Criminal sanctions
George W. Bush may have, and Condaleeza Rice does have civil liability under this portion of the United states code:
§ 1810. Civil liability.
According to this portion of the United States code, Congress must declare war in order for the president to do what Bush did, and it limits the time period to just fifteen days:
§ 1811. Authorization during time of war
Full text of each section can be found here:
http://www.law.cornell.edu/...