Brad Birzer, professor of history at Hillsdale College, talks about Russell Kirk, a central thinker of postwar conservatism, including his relationship with libertarianism. See Birzer's recent article "Seven Conservative Minds." Professor Birzer is the author of J.R.R. Tolkien's Sanctifying Myth: Understanding Middle Earth, American Cicero: The Life of Charles Carroll, and Sanctifying the World: The Augustinian Life and Mind of Christopher Dawson. He is co-founder of The Imaginative Conservative.