C.S. Lewis wrote in 1952 that “perversions of the sex instinct are numerous, hard to cure, and frightful.” The good Oxford don did not live to see the times we now live in, times in which progressive extremists can state a straight face that actually there are no sexual perversions – times in which even the long-held taboos against pedophilia and incest are falling like dominoes. The evidence that in the name of absolute sexual freedom, traditional taboos are no longer to be honored is everywhere. While sexual perversion has always existed, it has never been as widely tolerated and...