VATICAN CITY, VATICAN - JUNE 07:  Pope Francis meets President of the United Mexican States Enrique Pena Nieto and first lady Angelica Rivera at his private library in the Apostolic Palace on June 7, 2014 in Vatican City, Vatican. The Pope and the President held cordial discussions, during the course of which they touched on several issues, including recent reforms in Mexico, in particular the constitutional amendments regarding religious freedom.  (Photo by Vatican Pool/Getty Images)