The constitutions or laws of many nations provide for what is called “religious liberty.” In practice, this liberty is under severe restrictions in numerous countries, if it exists at all. The fact is that no one can really talk about religious freedom without examining what the “religion” holds. Grace builds on nature but does not contradict it. No religion, without further discussion, can simply believe anything at all. Some minimum criterion of order and right is presupposed to this freedom to follow religion’s teachings or one’s conscience. Concern about “fanaticism” is legitimate, even when such fanaticism is rooted in...