I have been getting an exceptional quantity of mail — paper mail, not e-mail — about a piece I wrote for National Review last December. The piece, titled "Our Crisis of Foundations," was a loose rumination on current metaphysical confusions in the Western world. Not many of my correspondents were interested in metaphysics. What mainly caught their eyes, and what they wanted to take issue with, were the following two sentences: It is now taken for granted, for example, that homosexuality is a biological attribute of the human organism. "I was born this way!" the modern homosexual tells us, and...