The moral structure of pedophilia is simply this: the welfare of children is subordinate to the sexual gratification of adults. Jerry Sandusky, former defensive coordinator for the Penn State football team, established a charity called The Second Mile, for boys, mostly fatherless, who were living in troubled homes. It is not clear that he did so initially to lure boys into a trap. But that is what eventually happened, according to the testimony of the men who recalled with shame and disgust their initiation into sodomy. Raymond Lahey, former Catholic bishop of Antigonish, was apprehended in the Ottawa airport and...