Cardinals Gather at the Vatican

Cardinal Francis Arinze of Nigeria waves at nuns as he arrives for a meeting at the Synod Hall at the Vatican, March 8, 2013.

Cardinal Odilo Pedro Scherer, of Brazil, right, is followed by Cardinal Geraldo Majella Agnelo as they arrive for a meeting at the Vatican, March 8, 2013.

Security on patrol near St. Peter's Basillica at the Vatican, March 8, 2013.

Cardinal Carlo Caffarra, second from right, and Cardinal Raymond Leo Burke, right, walk past two Swiss guards as they leave after a meeting at the Vatican, March 8, 2013.

Souvenir pictures and posters of Pope Emeritus Benedict for sale near the Vatican, March 3, 2013.