Pope Leo made one of his clearest public interventions yet on immigration policy, telling journalists outside the papal summer residence of Castel Gandolfo that defending the dignity of migrants should never be confused with advocating for open borders. His remarks, delivered spontaneously in response to questions from journalists the evening of Nov. 18, came after questions about the ongoing immigration debate in the U.S. and the recent pastoral message released by the U.S. bishops. The Pope praised the bishops’ moral leadership while simultaneously drawing a clear line: affirming the rule of law and the legitimate authority of governments is not...