When Markos Moulitsas Zuniga, the proprietor of Daily Kos, recently told The Washington Monthly's Benjamin Wallace-Wells, "I'm not ideological at all. ... I'm just all about winning," he could have been speaking for the entire left-wing blogosphere. If there's one animating idea that's shared by liberal bloggers like Kos and Atrios and all the others, it's, as Wallace-Wells called it, "the ideology of winnerism." Which is why it's bizarre that these very same bloggers are always so eager to celebrate moral victories. After Howard Dean went down to defeat, they boasted about how they took a virtual nobody to the...