Perhaps the one completely uncontested truth in the shared public ideology of American politics is that an election campaign ought to be a serious occasion in the life of a democratic polity, a time when citizens reflect maturely on the great public issues of the day. On this view, the ultimate purpose of election campaigns is to offer voters and candidates a meaningful opportunity for deliberation and persuasion. Of course, the typical modern American election campaign does not seem seriously reflective and deliberative so much as shallow and unengaging. Reasoned persuasion seems to play a minor role, if that. The paper asks whether this gulf between American political ideals and reality might have its roots in any kind of flaw in our lega...