Jeff talks with Calder Walton, author of “Spies: The Epic Intelligence War Between East and West.”

Calder Walton

https://twitter.com/calder_walton

Spies: The Epic Intelligence War Between East and West

https://www.amazon.com/Spies-Epic-Intelligence-Between-East-ebook/dp/B0BHTMFTLS/ref=sr_1_2?crid=2MI0

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