FILE - In this Saturday, May 2, 2015 file photo, Pope Francis is flanked by rector of the Pontifical North American College James F. Checchio, right, Cardinal Marc Ouellet, left, and President of the United States Conference of Catholic Bishops Joseph Edward Kurtz.  (AP Photo/Andrew Medichini, File)

Cuban President meets Pope Francis

Cuban President Raul Castro has been welcomed at the Vatican by Pope Francis, who played a key role in the breakthrough between Washington a…