The noted atheist Richard Dawkins has been very active recently in his campaign to discredit religious belief, in particular Christianity, and Roman Catholicism has been a special target. He had a debate of sorts with Rowan Williams, the Anglican Archbishop of Canterbury, and appeared on an Australian television program, “Q and A,” with Cardinal George Pell, Archbishop of Sydney. His animus against Catholicism was also evident in a joint appearance with Lawrence Krauss, a theoretical physicist and fellow non-believer (as Krauss likes to be called), at the Australian National University. Krauss is the author of the much heralded, A Universe...