The crisis has disproportionately squeezed migrants and has given many leaders an excuse to tighten borders. Will the restrictions outlast the pandemic? Balkan countries were notorious for organised crime in the 1990s—but a new report suggests the next generation of tech-savvy gangsters is even more formidable. And a look at this summer’s clutch of Mars missions.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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