Media criticism has been the bread and butter of the blogosphere from its opening days, especially for conservatives who pushed back against the liberal bias of the mainstream media. The scope of those efforts have run the gamut from fact-checking news pieces to exposing biases of top-ranking executives, such as Eason Jordan at CNN. Media Matters for America was formed as a left-wing analog to the more grassroots efforts in the conservative blogosphere to push back against the pushback and to focus criticism on conservative news and opinion outlets, including Hot Air on more than one occasion. All of this...