VATICAN CITY — Argentine Jorge Bergoglio was elected pope Wednesday and chose the papal name Francis, becoming first pontiff from the Americas and the first from outside Europe in more than a millennium. A stunned-looking Bergoglio shyly waved to the crowd of tens of thousands of people who gathered in St. Peter’s Square, marveling that the cardinals had had to look to “the end of the earth” to find a bishop of Rome. He asked for prayers for himself, and for retired Pope Benedict XVI, whose stunning resignation paved the way for the tumultuous conclave that brought the first Jesuit …