Joe Biden, among others, has called Vladimir Putin “a war criminal.” International tribunals have tried and convicted war criminals from Rwanda and Serbia: will Russia’s president suffer the same fate? The war in Ukraine will disrupt the world’s wheat market, with potentially grave political consequences in the Middle East. And three public-works projects in Mexico are stirring controversy.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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