Medal showing Pope St. Pius V struck in honor of the victory of the Holy League at Lepanto. Last week's blow-up between the Roman Catholic Pontiff and the American President generated considerable heat, but not very much light. Every pundit and influencer on every side registered an opinion, and most of them were ill-informed, facile, or just plain wrong. Does the Pope have a right to sound off on political questions, even when his opinions are directly critical of a given country's current policies and actions? Of course he does. Popes have been doing this for centuries, millennia even, sometimes...