(RNS4-mar12) Clergy enter mass at the St Peter’s basilica on March 12, 2013 at the Vatican. Cardinals moved into the Vatican today as the suspense mounted ahead of a secret papal election with no clear front runner to steer the Catholic world through troubled waters after Benedict XVI’s historic resignation. For use with RNS-CONCLAVE-ROME, transmitted on March 12, 2013, RNS photo by Andrea Sabbadini.