Inspired by a listener’s question into why governments are so keen to show off their latest weapons (considering those things are meant to be secrets), this week we blow the ballast and plunge into the depths of military spending. How much are we spending, what are we spending it on, and why are these billion dollar purchases often such bad deals? And just what does Tom Cruise have against Canada? If you’re asking how much this weeks ep cost, you can’t afford it.

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