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Summary: <p>On today's show, we talk to Nicholas Wapshott, author of Keynes Hayek: The Clash That Defined Modern Economics.</p><p>That clash is still clashing today. Paul Ryan has cited Hayek as an influence (though they disagree on some key points); President Obama has clearly been influenced by Keynes. And, really, there's no way to reconcile the ideas.</p><p>"This election is about two profound, competing theories that really can't exist in the same room at the same time," Wapshott says.</p><p>It's on.</p>