Social Issues
Opposing Views: Experts on both sides present their arguments.
Politics
Annenberg Fact Check: A nonpartisan nonprofit that monitors the factual accuracy of what is said by major U.S. political players. Project of the Annenberg Public Policy Center.
PolitiFact.com Pulitzer Prize-winning project operated by the Tampa Bay Times, in which reporters fact-check statements by government officials, lobbyists, and "anyone else who speaks up in American politics."
Religion
Taxpayers For Common Sense: Look up earmarks and other interesting goings-on.