Archived in the Avalon Project at the Yale Law School, this is a searchable collection of The Federalist Papers. (
http://www.yale.edu/lawweb/avalon/federal/fed.htm
)
An Abstract of the Supreme Court case archived at Northwestern University's The Oyez Project. (
http://oyez.nwu.edu/cases/cases.cgi?command=show&case_id=101&page=docket
)
The site of the Council of State Governments. Includes current news from each of the states and basic information about their governments. (
http://www.statesnews.org
)