Recalling Jesus’ birth in a stable, Pope Francis rebuked those “ravenous” for wealth and power at the expense of the vulnerable, including children, in a Christmas Eve homily decrying war, poverty and greedy consumerism. In the splendor of St. Peter’s Basilica, Francis presided over the evening Mass attended by about 7,000 faithful, including tourists and pilgrims, who flocked to the church on a warm evening and took their place behind rows of white-robed pontiffs. Francis drew lessons from the humility of Jesus’ first hours of life in a manger. “While animals feed in their stalls, men and women in our...