Before a sea of waving flags representing countries large and small from across the globe, Pope Francis told some 500,000 singing, shouting and swaying young people that God has called each person to him by name, not their social media handle. “You are not here by mistake,” he told the mass of people in Lisbon’s Eduardo VII Park Aug. 3 for the welcome ceremony for World Youth Day. “You, you, you, over there, all of us, me, we were all called by our names.”