Prager H3: World War I had some devastating effects on Europe, including Nazism and Communism. Now, Israel is fighting a new enemy: Islamism. Are radical Islamists the greatest evil in our current world? A caller certainly disagrees, but are death tolls really a measure of a war’s morality?

Prager H2: An enlightening interview with Daniel Schulman, author of Sons of Wichita: How the Koch Brothers Became America’s Most Powerful and Private Dynasty. Dennis asks Schulman about Libertarianism, taxes, and rivalries within the Koch family. Also: how does being rich affect one’s politics? And what is a Social Republican?

Prager H1: Why is everything gluten free? How did 9/11 affect American diets? Why are authentic Jewish delis disappearing in New York? To answer these questions, Dennis interviews David Sax; author of The Tastemakers: Why We’re Crazy for Cupcakes but Fed Up with Fondue. Plus: a 1968 Op-Ed in defense of Israel. And is Hamas guilty of threatening journalists?