An Femen group activist is detained by police officers following a protest against the pope outside St. Peter’s Square as cardinals took an oath in the Sistine Chapel at the start the conclave to elect a new pope at the Vatican, 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/Emilio Morenatti)