Pope Francis traveled to Rome’s city hall Tuesday, encouraging the mayor and her staff to be welcoming toward migrants and anyone who wants to make his home in the capital. “Rome, over its nearly 2,800 years of history, has been able to welcome and integrate different populations and people from all over the world, belonging to the most varied social and economic categories,” the pope told Mayor Virginia Raggi in his prepared address, “without canceling their legitimate differences, without humiliating or crushing their respective peculiar characteristics and identity.” “This city has welcomed students and pilgrims, tourists, refugees and migrants from...