Law has a notably respectable place in liberal political theory. Everyone agrees that the rule of law is one of the core principles of liberal constitutionalism. Here, it is said, we enjoy a government of laws, and not of men. But why do liberals, as a rule, share this respect, even reverence, for law? The rule of law need not be so honored; it has not been so honored in many (less liberal, but nevertheless respectable) times and places. Political theorists who are not liberals have rarely bestowed upon the idea of law the privileged place it has always held for liberal political theorists, from Locke to Dworkin. So why is law so honored here, both in the ideas of liberal political theorists and in the practice of contemporary liberal d...