I share with Fred Schauer the relatively unpopular belief that the positivist insistence that we keep separate the legal is from the legal ought is a logical prerequisite to meaningful legal criticism, and therefore, in the constitutional context, is a logical prerequisite to meaningful criticism of the Constitution. As Schauer argues, despite the modern inclination to associate positivism with conservatism, the positivist separation thesis, properly understood, facilitates legal criticism and legal reform, not reactionary acquiescence. If we want to improve law, we must resist the urge to see it through the proverbial rose-colored glasses; we must be clear that a norm\u27s legality implies nothing about its morality. To reverse the c...