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In the David Brooks post that GG links to, he quotes David Brooks (emphasis mine):
After Vietnam, Americans turned inward. Having lost faith in their leadership class, many Americans grew suspicious of power politics and hesitant about projecting American might around the world. . . .
What a perfect choice of words. For David Brooks and his ilk, important decisions - decisions regarding war and peace - are dictated from on high by a "leadership class," which the rest of us rely on to look out for our interests, but from which we are intrinsically separate.
Which to some extent is actually true, the only difference being that Brooks et al. don't see this as a bad thing.