Who was Gilbert Keith Chesterton? A rotund man in a cape brandishing a walking stick? Certainly. A twentieth-century writer? Prolifically. A great champion and defender of the Christian Faith? Gallantly. He is known too as the "prince of paradox" and an "apostle of common sense." Chesterton has lately been enjoying a resurgence in popularity. His name appears on blog posts and news articles alike. His name is spoken more often on college campuses,...