For six days in September, 2015, Pope Francis made a historic visit to the United States, visiting some of the country's biggest cities and speaking to massive crowds of the faithful along the way.

Writer and author Paul Cuddihy looks back on the five Pontiffs of his lifetime and at the question of who will replace the late Pope Francis.

Francis even changed the church’s stance on the death penalty, calling it “inadmissible.” Still, the pope’s legacy took a hit ...