VATICAN CITY, VATICAN - APRIL 25:  Pope Francis during a meeting with the President-elect of El Salvador Sanchez Ceren at his private library in the Apostolic Palace on April 25, 2014 in Vatican City, Vatican. Sanchez Ceren won the Salvadorian presidential elections in March and is due to take up office in June 01, 2014. Catholocism is a dominant religion in El Salvador, with an estimated 5 million followers in the country.  (Photo by Vatican Pool/Getty Images)