Nuclear diffusion: Iran

Exactly a year after President Donald Trump pulled America out of the Iran nuclear deal—and days after America moved warships into the Persian Gulf—Iran has announced it will break the terms of the deal. Is it more than just sabre-rattling? We examine an impressive new effort to get inside the minds of those unable to speak. And, why is it that British food gets such a bad rap? The answer stretches back to the Industrial Revolution.

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