St. Peter's Basilica is seen in the background as homeless people sleep near St. Peter's Square in Vatican, early Tuesday, March 12, 2013. Cardinals enter the Sistine Chapel on Tuesday to elect the next pope amid more upheaval and uncertainty than the Catholic Church has seen in decades: There's no front-runner, no indication how long voting will last and no sense that a single man has what it takes to fix the many problems. (AP Photo/Dmitry Lovetsky), APTOPIX