This. Is. Sparta!!!! "300," the blood-soaked Zack Snyder movie adapted from Frank Miller's graphic novel, is based on stories of the Persian War told by the first historian ever, Herodotus. But how accurate is "300" really, and does it matter? In this episode of "Young Heretics," Spencer Klavan tells the real story of the 300 at Thermopylae, and argues that "300" is a better take on the whole thing than you might expect.

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