Pope Leo XIV, dubbed “the quiet American” for his careful diplomacy and cautious speech, made a definitive break with his unassuming image in the past week with a series of excoriating criticisms of military aggressors against the backdrop of the Iran war. “God does not bless any conflict. Anyone who is a disciple of Christ, the Prince of Peace, is never on the side of those who once wielded the sword and today drop bombs,” Leo wrote in one recent social media post. “The commandment ‘love your neighbour as yourself’ is equally applicable to international relations,” he said later. The...