"How does a person become Hitler's enemy number one? Not through espionage or violence, it turns out, but by striking fearlessly at the intellectual and spiritual roots of National Socialism. Dietrich von Hildebrand was a German Catholic thinker and teacher who devoted the full force of his intellect to breaking the deadly spell of Nazism that ensnared so many of his beloved countrymen. His story might well have been lost to us were it not for this...