Eighteen days after Pope Francis last appeared on the balcony of St. Peter's Basilica, his successor -- the 267th pope -- emerged.

More than 130 cardinals from all over the world are gathering today for the papal conclave, through which a new head of the Catholic Church is elected.

Who are the U.S. candidates at the papal conclave in Rome? Here's a list of American cardinals who will elect or possibly become the next pope.