From the 1979 hostage crisis to strikes on Iran’s nuclear sites, US-Iran tensions have simmered for decades. But are Trump’s latest threats against the ayatollahs serious? Or will imminent talks in Muscat cool the discord?

Iran: Is the US out of options?
34:11

Explainer 532: Why is Syria back on Washington’s Christmas card list?
07:13

After America: Europe’s new security order
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