Pope Francis (R) delivers a speech by videoconference from the Vatican on May 1, 2015 during the opening of the Universal Exposition, EXPO2015, in Milan. Milan's EXPO2015 opens on May 1 with hopes that the six month, food-themed World's Fair will be a catalyst for economic revival, but competes with fears it will simply underline Italy's deep-seated economic problems. AFP PHOTO / GIUSEPPE CACACE (Photo credit should read GIUSEPPE CACACE/AFP/Getty Images)
