It doesn't cover as many topics as some of the more well-known fact checking sites, but http://skeptics.stackexchange.com/ http://skeptics.stackexchange.com/ ha

It doesn't cover as many topics as some of the more well-known fact checking sites, but http://skeptics.stackexchange.com/ http://skeptics.stackexchange.com/ has a pretty good framework for evaluating claims, and the best answers tend to be really objective.