MSNBC's Keith Olbermann and the L.A. Times' Andrew Malcolm, who increasingly seems like a Fox News embed writing the paper's main politics blog, are going at each other. I have no idea where it started, but in a 3:54 a.m. post today Malcolm snarkily downplayed a dumb but harmless error by the paper — mislabeling last night's Olbermann show as MTV's "Jackass" in the TV schedule — and asked, "what if nobody noticed the difference?" On Olbermann's show tonight, the anti-Fox agitator listed several failings he sees in Malcolm's game, called him a political hack, and proclaimed him one of the night's "worst persons." The video follows: