Thomas Frank nails it in the WSJ:

The opinion-page equivalent of the Palinesque style is easy enough to imagine: I would use this space to recite the indignities the world forced on me over the course of the week—an effete-looking young person ignored me the other day—plus glimpses of heartland authenticity—I sure do like pot roast—before concluding, darkly, that the reason I suffer is because I am such a sterling American.