Government / Law
American Law Sources - This site provides a comprehensive, uniform, and useful compilation of links to freely accessible on-line sources of law for the United States and Canada.
FirstGov.gov: The US Government's Official Web Portal
The US Government's Official Web Portal for all government transactions, services, and information.
Interactive Constitution - You can choose any part of the constitution and get an explanation. Also includes keyword search, topic search and Supreme Court cases.
Thomas Legislative Information
The White House