When it comes to podcasts on religion and public life, Tyler Cowen of the Mercatus Center’s podcast has some rare gems. While most popular politically-charged podcasts are content to frame questions in secular terms, Cowen—an atheist—has a remarkable ability tease out which religious presuppositions are motivating his guests, including some very fine distinctions on points of intra-religious debate. So when the conservative Catholic New York Times columnist Ross Douthat appeared on his show a couple