Cardinal Gianfranco Ravasi, president of the Pontifical Council for Culture, walks on a street close to St. Peter’s Square in Rome Feb. 13. Cardinal Ravasi, the Italian cardinal leading Pope Benedict XVI’s Lenten retreat, was tweeting and podcasting his reflections, signaling that detachment from the outside world doesn’t have to mean a total media blackout. (CNS photo/Max Rossi, Reuters) (Feb. 18, 2013) See RAVASI-RETREAT Feb. 18, 2013.