VATICAN CITY (RNS) While millions of pilgrims are expected to attend the Catholic Church’s first-ever double canonization at the end of April, the Vatican is preparing its most ambitious TV and social media campaign for the millions who don’t make it to Rome.View down Via della Conciliazione to St. Peter’s Basilica in Rome. Photo courtesy of Jimmy Harris via Flickr City officials are expecting more than 5 million people to attend the ceremony when Pope Francis declares his predecessors Pope John Paul II and Pope John XXIII saints in St Peter’s Square on April 27.For the first time viewers will...