"Pope Francis delivers the Urbi et Orbi (to the city and to the world) blessing at the end of the Easter Sunday Mass in St. Peter's Square at the Vatican , Sunday, April 5, 2015.  In an Easter peace wish, Pope Francis on Sunday praised the framework nuclear agreement with Iran as an opportunity to make the world safer, while expressing deep worry about bloodshed in Libya, Yemen, Syria, Iraq, Nigeria and elsewhere in Africa. Cautious hope ran through Francis' ""Urbi et Orbi"" Easter message, a kind of papal commentary on the state of the world's affairs, which he delivered from the central balcony of St. Peter's Square.  (AP Photo/L'Osservatore Romano, Pool)"