What happens when a pope is incapacitated? Is he still pope? Pope Francis remains hospitalized in critical condition with a complex lung infection.

Pope Francis is in a critical condition at Rome's Gemelli Hospital, raising concerns about the Vatican's leadership and the Catholic Church's future. As speculation about his possible resignation grows,

Cardinals, according to the United States Conference of Catholic Bishops (USCCB), are bishops and Vatican officials from all over the world who are personally chosen by the pope. They are recognizable by their red vestments and they elect a new pope when the time comes.