US basketball star Dennis Rodman walks near to the Vatican as he shows support for a black papal candidate on March 13, 2013 in Vatican City, Vatican.  (Photo by Christopher Furlong/Getty Images)

A woman walks across St Peter's Square in an American flag as others wait for smoke to emanate from the chimney on the roof of the Sistine Chapel on March 13, 2013 in Vatican City, Vatican. (Photo by Spencer Platt/Getty Images)

A man prays in St. Peter's Square as people wait for smoke to emanate from the chimney on the roof of the Sistine Chapel on March 13, 2013 in Vatican City, Vatican. (Photo by Spencer Platt/Getty Images)

People wait for smoke to emanate from the chimney on the roof of the Sistine Chapel in St. Peter's Square on March 13, 2013 in Vatican City, Vatican. (Photo by Spencer Platt/Getty Images)

People wait in the rain for smoke to emanate from a chimney on the roof of the Sistine Chapel as cardinals continue their conclave on March 13, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

A man looks out from a window near to the statue of St Paul as black smoke billows from the chimney on the roof of the Sistine Chapel on March 13, 2013 in Vatican City, Vatican. (Photo by Dan Kitwood/Getty Images)

People carry a cross through St Peter's Square as they wait for news on the election of a new Pope on March 13, 2013 in Vatican City, Vatican. (Photo by Joe Raedle/Getty Images)

Three nuns wait for smoke to emanate from the chimney on the roof of the Sistine Chapel in St. Peter's Square on March 13, 2013 in Vatican City, Vatican. (Photo by Spencer Platt/Getty Images)

People wait for smoke to emanate from the chimney on the roof of the Sistine Chapel on March 13, 2013 in Vatican City, Vatican. (Photo by Dan Kitwood/Getty Images)

A priest waits in the rain for smoke to emanate from a chimney on the roof of the Sistine Chape las cardinals continue their conclave on March 13, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

People wait in the rain for smoke to emanate from a chimney on the roof of the Sistine Chapel as cardinals continue their conclave on March 13, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

A seagull flies from the chimney on the roof of the Sistine Chapel during the second day of the conclave on March 13, 2013 in Vatican City, Vatican. (Photo by Jeff J Mitchell/Getty Images)

Polish youths sing as they wait for smoke to emanate from the chimney on the roof of the Sistine Chapel in St. Peter's Square on March 13, 2013 in Vatican City, Vatican. (Photo by Spencer Platt/Getty Images)

A woman takes a picture while waiting in the rain in St. Peter's Square as others wait for smoke to emanate from the chimney on the roof of the Sistine Chapel on March 13, 2013 in Vatican City, Vatican. (Photo by Spencer Platt/Getty Images)

VATICAN CITY, VATICAN - MARCH 12: Cardinal Angelo Scola attends the Pro Eligendo Romano Pontifice Mass at St Peter's Basilica, before they enter the conclave to decide who the next pope will be, on March 12, 2013 in Vatican City, Vatican.

Cardinals attend the Pro Eligendo Romano Pontifice Mass at St Peter's Basilica, before they enter the conclave to decide who the next pope will be, on March 12, 2013 in Vatican City, Vatican.

Canadian cardinal Marc Ouellet leaves the final congregation before cardinals enter the conclave to vote for a new pope, on March 11, 2013 in Vatican City, Vatican. Cardinal Ouellet is considered one of the front runners to be the next pope.

Italian cardinal and Milan archbishop Angelo Scola is considered one of the front runners to the be next pope.

Brasilian cardinal and Sao Paulo archbishop Odilo Pedro Scherer arrives at St. Andrea al Quirinale church to lead a Sunday service mass on March 10, 2013 in Rome, Italy. Cardinal Scherer is considered one of the front runners to be the next pope.

Italian Cardinal Gianfranco Ravasi attends the Pro Eligendo Romano Pontifice Mass at St Peter's Basilica. Cardinal Ravasi is considered to be one of the front runners to be the next pope.

The sun sets over St Peter's Basilica a day before the papal conclave begins.

Nuns wait under the colonnade as a rain storm passes over St Peter's Square on March 12, 2013 in Vatican City, Vatican.

People try to get a picture of the Cardinals while attending the Pro Eligendo Romano Pontifice Mass at St Peter's Basilica, after which Cardinals will enter the conclave to decide who the next pope will be on March 12, 2013 in Vatican City, Vatican.

Pilgrims gather in St Peter's Square as cardinals attend mass before entering the conclave on March 12, 2013 in Vatican City, Vatican.

Pilgrims gather in St Peter's Square as cardinals attend mass before entering the conclave on March 12, 2013 in Vatican City, Vatican.

Pilgrims gather in St Peter's Square as cardinals attend mass before entering the conclave on March 12, 2013 in Vatican City, Vatican. Pope Benedict XVI’s successor is being chosen by the College of Cardinals in Conclave in the Sistine Chapel.

A pilgrim carries a wooden cross though St Pater's Square as roman catholic cardinals prepare to enter the conclave tomorrow and elect a new Pope, on March 11, 2013 in Vatican, Vatican City.