Diamonds: according to the ads, they're a girl's best friend, and the only thing worth picking for an engagement ring. But how did diamonds become so important -- and why?
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Introducing: Natural Causes
02:01

A CIA Heist: The Strange Saga of David J. Rush
1:02:39

Listener Mail: Sleeper Agents, Devil Corp, Automated Book Scanners, and the Gandalf Protest!
1:06:56