(RNS1-mar19) Pope Francis waves from the popemobile during his inauguration Mass at St. Peter’s Square on Tuesday (March 19) at the Vatican. World leaders flew in for Pope Francis’s inauguration Mass in St. Peter’s Square on Tuesday where Latin America’s first pontiff will receive the formal symbols of papal power. For use with RNS-INAUGURAL-MASS, transmitted on March 19, 2013, RNS photo by Andrea Sabbadini.