(This picture made available Tuesday, March 12, 2013 by the Vatican newspaper L'Osservatore Romano shows the three sizes of the pope's garments and shoe boxes in a room next to the Sistine Chapel, seen through the door at right, at the Vatican. 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)