Iran’s new supreme leader, Mojtaba Khamenei, has reportedly vowed that Iran will continue blocking the Strait of Hormuz. Plus: Tira Shubart sends us a letter from Oaxaca.

The widening global conflict at the US diverts South Korean missile defences to the Middle East
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With promises of a short war, how likely is a quick collapse or popular uprising in Iran?
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As oil prices pass $100 a barrel, the G7 holds off releasing emergency stockpiles
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