Syracuse University professor Arthur C. Brooks is about to become the darling of the religious right wing in America — and it’s making him nervous. The child of academics, raised in a liberal household and educated in the liberal arts, Brooks has written a book that concludes religious conservatives donate far more money than secular liberals to all sorts of charitable activities, irrespective of income. In the book, to be released next month, he cites extensive data analysis to demonstrate that values advocated by conservatives — from church attendance to two-parent families to the Protestant work ethic and a distaste...