http://www.snopes.com/   Rumor Has It.  Forum.

http://www.factcheck.org/  Annenberg Political Fact Check.  Monitors the factual accuracy of what is said by major U.S. political players in the form of TV ads, debates, speeches, interviews, and news releases.

www.vote411.org  League of Women Voters Education Fund.  A "one-stop-shop" for election related information. It provides nonpartisan information to the public with both general and state-specific information.

http://www.politifact.com/truth-o-meter/  Politifact.  PolitiFact is a project of the St. Petersburg Times(Florida) and Congressional Quarterly.  Analyzes the candidates' speeches, TV ads and interviews and determines whether the claims are accurate.

http://www.votesmart.org/  Project Vote Smart.  “The Voter’s Self-Defense System."

http://www.taxfoundation.org/  Tax Foundation.  “Since 1937”.

http://www.taxpolicycenter.org/  The Tax Policy Center.  Provides analysis and facts about tax policy.

http://www.opensecrets.org  Center for Responsive Politics.  A research group tracking money in U.S. politics and its effect on elections and public policy.

http://www.ProCon.org  “Pros and Cons of Controversial Issues”. 

http://cfinst.org/  The Campaign Finance Institute.  Conducts research and education, empanels task forces and makes recommendations for policy change in the field of campaign finance.

http://electiononline.org/  Pew's Center on the States. 

http://fec.gov/  The Federal Election Commission.  The FEC, an independent regulatory agency, discloses campaign finance information, enforces the provisions of the law such as the limits and prohibitions on contributions, and oversees the public funding of Presidential elections.

http://archives.gov/federal-register/electoral-college/index.html  The U.S. National Archives and Records Administration, Office of the Federal Register, U.S. Electoral College

http://en.wikipedia.org/wiki/Category:Campaigns_in_the_United_States_presidential_election%2c_2008  Wikipedia: Campaigns in the United States presidential election, 2008