Nuns pray in 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, stunnin

 

              Nuns pray in St. Peter
Nuns pray in 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)