Morality has traditionally been understood to be tied to certain metaphysical beliefs: notably, in the freedom of human persons (to choose right or wrong courses of action), in a god (or gods) who serve(s) as judge(s) of moral character, and in an afterlife as the locus of a "final judgment" on individual behavior. Some scholars read the history of moral philosophy as a gradual disentangling of our moral commitments from such beliefs. Kant is often given an important place in their narratives, despite the fact that Kant himself asserts that some of such beliefs are necessary (necessary, at...