Pope Francis is welcomed by Mexican President Enrique Pena Nieto (R) and his wife Angelica Rivera, at the National Palace in Mexico on February 13, 2016. Francis on Saturday became the first pope to enter Mexico's National Palace to meet the president, marking a new step in church-state reconciliation in a staunchly Catholic nation hit by violence and poverty. AFP PHOTO / GABRIEL BOUYS / AFP / GABRIEL BOUYS