Bias Affects Story Updates on Political Weblogs -- "Recently, I noticed that several webloggers that discussed the suspected chemical weapons plant found in southern Iraq on March 24 weren't mentioning those claims turned out to be false, even after the story was revised on USA Today, New York Times, the Washington Post, and Yahoo's front page yesterday." (Comments: How do you know who and what to trust in the blogosphere? Thanks Anti-War Guy.)