Theoretical issues: A defense of the new natural law theory -- Recent criticism of natural law theory -- Natural law and human nature -- Does the 'incommensurability thesis' imperial common sense moral judgments? -- Natural law an dpositive law -- Free choice, practical reason and fitness for the rule of law -- Moral and political questions: Religious liberty and political morality -- Marriage and the liberal imagination -- What sex can be: alienation, illusion or one-flesh union -- Making children moral: pornography, parents and the public interest -- Public reason and political conflict: abortion and homosexuality -- Natural law and international order -- Dialectical engagement: Moral particularism, thomism and traditions -- Human flourishing as a criterion of morality: a critique of perry's naturalism -- Nature, morality and homosexuality -- Can sex be reasonable? -- Moralistic liberalism and legal moralism -- Law, Democracy and moral disagreement