Frank interviews the acclaimed biographer of the bestselling Bonhoeffer: Pastor, Martyr, Prophet, Spy and Amazing Grace: William Wilberforce and the Heroic Campaign to End Slavery, Eric Metaxas about his new book on Martin Luther where he paints a startling portrait of the wild figure whose adamantine faith cracked the edifice of Western Christendom and dragged medieval Europe into the future.

Learn more about Eric Metaxas and his new book here: http://ericmetaxas.com/

Previews Episode w/ Eric titled "The Death of God Is Greatly Exaggerated: http://bit.ly/2zkQdi2