On the first Sunday of his papacy, Pope Leo XIV stood on the central loggia of St. Peter’s Basilica and did something that shocked some Catholics – he chanted the Marian prayer Regina Caeli in Latin.“Regina caeli, laetare, alleluia,” he sang, leading to the crowd’s response, “Quia quem meruisti portare, alleluia.” In English, that would be: “Queen of Heaven, rejoice, alle...