The United States has spent $400 billion on developing and testing weapons designed to neutralize an attack. All signs point to a fool's errand, particularly in the event of a nuclear strike. Matt Caplan joins this episode with Fred Lamb, professor of physics, astronomy and arms control at the University of Illinois to discuss the "fantasy" of ballistic missiles defense and the misrepresentation that the United States' and Israel's defense of Iran's Oct. 1 attack was a success.

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