In discussions about politics, moral values, and culture, the issue of religion inevitably emerges. Social conservatives, for example, often claim that a moral society is by definition a religious society, and that the growth of secularism is detrimental to America’s political and cultural life. Basic ethical principles stem from a belief in a supreme being who has the power and authority to enforce moral standards, contends Christian apologetics professor John M. Frame. “We cannot be obligated to atoms, or gravity, or evolution, or time, or chance; we can be obligated only to persons. . . . An absolute standard, one without exceptions, one that binds everybody, must be based on loyalty to a person great enough to deserve such respect. Only God meets that description.” Frame insists that any moral system constructed by nonbelievers is dangerously unstable because it...