A flurry of activity in the oil-futures market, minutes before Donald Trump made a big announcement about not striking at Iranian infrastructure, has all the appearance of someone using classified national security information to turn a profit.

Guest: Paul Krugman, Nobel-Prize winning economist and author of paulkrugman.substack.com.

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Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme, and Rob Gunther.

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What Next - Where Insider Trading Becomes Treason