Cardinal Sean Patrick O'Malley (L), archbishop of Boston, greets Msgr Javier Echevarria Rodriguez (R), prelate of the Prelature of Opus Dei during the courtesy visits at the Sala del Trono Hall at the end of the concistory held by Pope Benedict XVI on November 24, 2012 in Vatican City, Vatican. The Pontiff installed 6 new cardinals during the ceremony, who will be responsible for choosing his successor.