importantly different dimensions of these
             philosophical enterprises, I want to begin with some very general thoughts about practical
             justification.
             Justifying an act, a strategy, a practice, an arrangement, or an institution typically involves
             showing it to be prudentially rational, morally acceptable, or both (depending on the kind of
             justification at issue). And showing this, in standard cases, centrally involves rebutting
             certain kinds of possible objections to it: either comparative objections--that other acts or
             institutions (etc.) are preferable to the one in question--or noncomparative objections--that
             the act in question is unacceptable or wrong or that the institution practices or sanctions
             wrongdoing or vice. Justification, we might say, i
             ...