Across the continent, covid-19 cases are rising steeply and containment measures are still divergent. We look at the challenges of finding policies that are efficacious and sustainable. Tanzania’s election today is all but zipped up; President John Magufuli has been trampling the country’s hard-won democratic traditions. And what the florid language of wine experts says about human perception.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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