 On September 24, 2013, he was on the show, talking about an interview where Pope Francis said that love, compassion, and mercy are more important than the rules (within a subtext of Pope Francis washing the feet of criminals, wanting a more prominent role for women, saying atheists can be redeemed, not judging gays and lesbians, and that we cannot serve money and God at the same time), and introducing Metallica.On September 24, 2013, he appeared to discuss income inequality and the Pope's emphasis on economic justice and on the importance of caring for the poor.Martin has written about anti-Catholicism in the entertainment industry.