Well, he lost a war, an election and now a huge-stakes legislative victory which he had promised to stop. But what I suspect really got to him was the empirically correct claim that Rove does nothing on principle and everything on politics. By ripping that mask off in public, by refusing to take Rove seriously as anything but a cynical, political propagandist, Plouffe finally found the confidence to hit him where it hurt. More, please:

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