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Cuba's President Raul Castro, right, and Pope Benedict XVI meet in Havana, Cuba, Tuesday, March 27, 2012. The meeting took place behind closed doors on the pontiff's second day on the island. (AP Photo/Adalberto Roque, Pool)

Pope Benedict XVI bids farewell

The Catholic Church awoke March 1 with no leader following the resignation of Benedict XVI, who pledged obedience to his successor and described himself as "simply a pilgrim" starting the final journey of his life.