Have ever felt a strange twinge of guilt for wanting to teach your child doctrine? Have you had your interest in theology dismissed because the use of the mind is not as important in the pursuit of spiritual things? Have you every wondered what was the origin of this mindset? These are the questions asked by Stephen Prothero in his book Religious Literacy: What Every American Needs to Know - and Doesn't, HarperCollins, 2007 . [F]or many American Christians, then and today, willingness to be a fool for Christ is a mark of true faith. Christianity is about loving Jesus; it does not require knowing much of anything at all. How did this happen? How did religious ignorance become a sign--perhaps the sign--of genuine piety? And what lessons might this story of our fall into religious illiteracy hold for Americans today? (page 87) Prothero is the chair of the religion department at Boston University and describes himself as "religiously...