A statue of St. Peter in St. Peter’s Square at the Vatican. The conclave to pick a new pope will begin on Tuesday (March 12) the Vatican said Friday, resolving an open question that had dogged the cardinals meeting here over the past week. RNS photo by David Gibson

A statue of St. Peter in St. Peter’s Square at the Vatican. The conclave to pick a new pope will begin on Tuesday (March 12) the Vatican said Friday, resolving an open question that had dogged the cardinals meeting here over the past week. RNS photo by David Gibson