Liberal regimes shape the ethical outlooks of their citizens, relentlessly influencing their most personal commitments over time. On such issues as abortion, homosexuality, and women's rights, many religious Americans feel pulled between their personal beliefs and their need, as good citizens, to support individual rights. These circumstances, argues John Tomasi, raise new and pressing questions: Is liberalism as successful as it hopes in avoiding the imposition of a single ethical doctrine on all of society? If liberals cannot prevent the spillover of public values into nonpublic domains,...