In March, Reason’s Nick Gillespie talked with one of the great pioneers of podcasting:Dan Carlin, the host of Hardcore History. Carlin’s deeply researched and urgently delivered takes on everything from Julius Caesar’s wars in Gaul to Imperial Japan’s horrific conquest of Asia are downloaded by the millions. Gillespie and Carlin discussed how to understand the moral choices made in the past, how Carlin would update his 2019 book The End Is Always Near in light of COVID-19, and whether we can really learn meaningful lessons from history. Reason: Who are your listeners and what do you think they…