U.S. Cardinal Sean Patrick O'Malley arrives to his titular church of Santa Maria alla Vittoria in Rome to celebrate Mass, Sunday, March 10, 2013. Cardinals from around the world gather

 

              U.S. Cardinal Sean Patrick O
U.S. Cardinal Sean Patrick O'Malley arrives to his titular church of Santa Maria alla Vittoria in Rome to celebrate Mass, Sunday, March 10, 2013. Cardinals from around the world gather this week in a conclave to elect a new pope following the stunning resignation of Benedict XVI. In the secretive world of the Vatican, there is no way to know who is in the running, and history has yielded plenty of surprises. Yet several names have come up time repeatedly as strong contenders for the job. O'Malley, the archbishop of Boston, is among those considered to have a credible shot at the papacy. (AP Photo/Domenico Stinellis)