In the summer of 2006, I heard that a new book called Godless presented an insightful and devastating criticism of the theory of evolution. Although I learned that its author, Ann Coulter, is not a scientist but a lawyer turned author and TV pundit, she nevertheless appeared to be an intelligent and well-educated person, so I started reading. At first I was puzzled. There did not seem to be anything new; only tired and outdated antievolution arguments involving moths, finches, and fruit flies. But it wasn't until Coulter dusted off the old Piltdown man story that I suddenly realized: it...