Political theorists Jeremy Elkins and Andrew Norris observe that American political culture is deeply ambivalent about truth. On the one hand, voices on both the left and right make confident appeals to the truth of claims about the status of the market in public life and the role of scientific evidence and argument in public life, human rights, and even religion. On the other hand, there is considerable anxiety that such appeals threaten individualism and political plurality. This anxiety, Elkins and Norris contend, has perhaps been greatest in the humanities and in political theory,...