Very few people can say that they found God or religion at college or graduate school. The university, after all, is a radically secular institution that either ignores or disparages religious belief in God.Yet, one day, when I was a graduate student in international affairs at Columbia University, I had what can honestly be called an epiphany.I remember it very clearly. Since entering graduate school, I was preoccupied with this question: Why did so many learned and intelligent professors believe so many foolish things?Why did so many people at my university believe nonsense such as Marxism? I was a fellow...