Pope Francis had a great sense of humor. When I met him once at the back of the papal plane, I cracked a joke with him that was a little bit close to the line. Luckily, he roared with laughter and told me “Sei cattivo!

Pope Francis's funeral begins at 10 a.m. local time (4 a.m. Eastern, 1 a.m. Pacific) at the Vatican, outside St. Peter's Basilica. The ceremony is presided over by the dean of the College of Cardinals, Cardinal Giovanni Battista Re.