Fifty years ago, 40 bishops signed a pledge to make Catholicism a church for the poor. It was soon set aside, but with Pope Francis focused on the downtrodden, that notion could be revived.
Those arrested include Spanish Monsignor Lucio Vallejo Balda and Francesca Immacolata Chaouqui, who served on the pope's special commission on economic reform.
Days before the release of books that purportedly contain revelations of corruption, the Holy See charged a monsignor and a public relations expert with leaking confidential information to the media.
Pope Francis' social media feeds have blossomed while he's been pontiff, allowing followers to access his messages via Twitter, YouTube and also an app on their smartphones.
Pope Francis' visit to Washington marks the 29th time a pope has sat down for a meeting with a president of the United States. As usual, politics will provide the backdrop.
This morning Pope Francis celebrated mass in the city of Holguin and is scheduled to meet with bishops in the evening. Tuesday afternoon, he arrives in Washington, D.C.