Article Photos: Vatican sends message: Pope's retirement for real 7/9

Nuns pray inside St. Peter's Basilica at the Vatican, Tuesday, Feb. 12, 2013. With a few words in Latin, Pope Benedict XVI did what no pope has done in more than half a millennium, stunning the world by announcing his resignation Monday and leaving the already troubled Catholic Church to replace the leader of its 1 billion followers by Easter.  (AP Photo/Alessandra Tarantino)