Pope Francis: The new leader of the Catholic Church

March 19, 2013: Pope Francis walks past the alter in front of St. Peter's Basilica in St. Peter's Square following his inauguration Mass at the Vatican. (AP)

March 19, 2013: Pope Francis waves incense around the alter before his inauguration Mass in St. Peter's Square at the Vatican. (AP)

March 19, 2013: Pope Francis kisses a child in St. Peter's Square at the Vatican. (AP)

March 19, 2013: Pope Francis waves to crowds as he arrives to his inauguration Mass in St. Peter's Square at the Vatican. (AP)

March 19, 2013: Pope Francis kisses a child in St. Peter's Square at the Vatican. Pope Francis urged princes, presidents, sheiks and thousands of ordinary people gathered for his installation Mass on Tuesday to protect the environment, the weakest and the poorest, mapping out a clear focus of his priorities as leader of the world's 1.2 billion Catholics. (AP)

March 19, 2013: Nuns line up for the inaugural Mass of Pope Francis, at St. Peter's Square at the Vatican. (AP)

March 13, 2013: Pope Francis waves to the crowd from the central balcony of St. Peter's Basilica at the Vatican. Cardinal Jorge Bergoglio who chose the name of Francis is the 266th pontiff of the Roman Catholic Church. (AP)

March 13, 2013: Pope Francis addresses the crowd from the central balcony of St. Peter's Basilica at the Vatican. (Fox News )

March 13, 2013: Pope Francis addresses to the crowd from the central balcony of St. Peter's Basilica at the Vatican.  (Fox News)

March 13, 2013: Pope Francis addresses to the crowd from the central balcony of St. Peter's Basilica at the Vatican.  (Fox News)

March 13, 2013: White smoke emerges from the chimney on the roof of the Sistine Chapel, in St. Peter's Square at the Vatican. (AP2013)

White billows from the chimney on the Sistine Chapel indicating that a new pope has been elected in St. Peter's Square at the Vatican, Wednesday, March 13, 2013. (AP Photo/Dmitry Lovetsky) (AP2013)

March 13, 2013: White smoke billows from the chimney on the Sistine Chapel indicating that a new pope has been elected in St. Peter's Square at the Vatican. (AP)

March 13, 2013: White smoke billows from the chimney on the Sistine Chapel indicating that a new pope has been elected in St. Peter's Square at the Vatican. (AP)

March 13, 2013: Bells ring in St. Peter's Square at the Vatican. (AP)

Crowds cheer after white smoke billowed from the chimney on the Sistine Chapel indicating that a new pope has been elected in St. Peter's Square at the Vatican, Wednesday, March 13, 2013. (AP Photo/Dmitry Lovetsky) (AP2013)

March 13, 2013: A Swiss guard salutes, in St. Peter's Square at the Vatican. (AP)

March 13, 2013: People wave American flags in St. Peter's Square at the Vatican. (AP)

March 13, 2013: Faithful cheer as white smoke rises from the chimney above the Sistine Chapel, indicating a new pope has been elected at the Vatican. (REUTERS)

March 13, 2013: Faithful cheer as white smoke rises from the chimney above the Sistine Chapel, indicating a new pope has been elected at the Vatican. (REUTERS)

March 13, 2013: Faithful cheer as white smoke rises from the chimney above the Sistine Chapel, indicating a new pope has been elected at the Vatican. (REUTERS)

Crowds cheer after white smoke billowed from the chimney on the Sistine Chapel indicating that a new pope has been elected in St. Peter's Square at the Vatican, Wednesday, March 13, 2013. (AP Photo/Dmitry Lovetsky) (AP2013)

March 13, 2013: Black smoke emerges from the chimney on the Sistine Chapel as cardinals voted on the second day of the conclave to elect a pope in St. Peter's Square at the Vatican. Black smoke indicates that no pope was elected. (AP)

March 13, 2013: A seagull sits on the chimney on the roof of the Sistine Chapel while another flies past in St. Peter's Square during the second day of the conclave to elect a new pope at the Vatican. (AP)

March 13, 2013: A seagull sits on the chimney on the roof of the Sistine Chapel while another flies overhead in St. Peter's Square during the second day of the conclave to elect a new pope at the Vatican. (AP)

March 13, 2013: Visitors wait for the smoke from the chimney on the Sistine Chapel during the second day of the conclave to elect a new pope, in St. Peter's Square, at the Vatican. (AP)

March 13, 2013: Visitors wait for the chimney smoke in St. Peter's Square during the second day of the conclave to elect a new pope, at the Vatican. Black smoke again billowed from the chimney of the Sistine Chapel on Wednesday, meaning that Catholic cardinals hadn't elected a pope on their second or third rounds of balloting. (AP)

This picture made available Tuesday, March 12, 2013 by the Vatican newspaper L'Osservatore Romano shows Italian Renaissance painter Michaelangelo's "Last Judgement" fresco on the background wall and the section of the "Creation of Adam" on the ceiling of the Sistine Chapel above the seating arrangement of the cardinals for the conclave, at the Vatican. (AP/L'Osservatore Romano)

March 12, 2013: In this photo provided by the Vatican newspaper L'Osservatore Romano, cardinals, in red, and faithful attend a Mass for the election of a new pope celebrated by Cardinal Angelo Sodano inside St. Peter's Basilica, at the Vatican, Tuesday, . (AP)

March 12, 2013: Nigerian Cardinal Peter Kodwo Appiah Turkson, right, is seen with other cardinals attending a Mass for the election of a new pope celebrated by Cardinal Angelo Sodano inside St. Peter's Basilica, at the Vatican. (AP2013)

March 12, 2013: US Cardinal Timothy Dolan, right, and Cardinal Ricardo J. Vidal, of the Philippines, attend a Mass for the election of a new pope celebrated by Cardinal Angelo Sodano, not pictured, inside St. Peter's Basilica, at the Vatican. (AP2013)

March 12, 2013: A nun kisses the hand of Spanish Cardinal Lluis Martinez Sistach as he arrives for a Mass for the election of a new pope celebrated by Cardinal Angelo Sodano inside St. Peter's Basilica, at the Vatican. (AP2013)

March 12, 2013: Italian Cardinal Angelo Scola, right, and Cardinal Antonius Naguib, of Egypt, share a word as they attend a Mass for the election of a new pope celebrated by Cardinal Angelo Sodano, not pictured, inside St. Peter's Basilica, at the Vatican. (AP2013)

March 12, 2013: Cardinal Luis Antonio Tagle, of the Philippines, attends a Mass for the election of a new pope celebrated by Cardinal Angelo Sodano inside St. Peter's Basilica, at the Vatican. (AP2013)

March 12, 2013: From left, US Cardinals Roger Mahony, Edwin O'Brien and Timothy Dolan leave the North American College to go to the Vatican's Domus Sanctae Martae, the Vatican hotel where the cardinals stay during the conclave, in Rome. (AP)

March 12, 2013: Cardinal taking the Oath of Secrecy. (Fox News)

March 12, 2013: Faithful gather in St. Peter's Square at the Vatican. (AP)

March 12, 2013: Photographers shoot photos of friars as they cross St. Peter's Square during a rain storm at the Vatican. (AP)

March 12, 2013: A tourist holds an umbrella over a pilgrim in St. Peter's Square during a mass at St. Peter's Basilica attended by cardinals before sequestering themselves in the Sistine Chapel for the conclave to elect the next pope at the Vatican. (AP2013)

March 12, 2013: A giant monitor in St. Peter's Square at the Vatican shows the heavy wooden door to the Sistine Chapel being closed and locked, signaling the start of the conclave to elect a new pope to succeed Benedict XVI. (AP)