I don't have much to say about this Palin-Letterman silliness. That said, it's striking to see someone who would have been a step away from being leader of the free world, feuding with a talk-show host. Sarah Palin is in tenacious possession of a small mind. Whatever you think of John McCain, remember that he was willing to countenance her as leader of the free world. I don't think we have to worry about that now. I can't see her getting out of a GOP primary.

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