The first-ever water shortage declared for the Colorado River is just one sign of troubles to come; as the climate changes, century-old water habits and policies must change with it. Israel’s Pegasus spyware has raised concerns the world over, but the country is loath to curb its exports of hacking tools. And the resurgence of a beloved and funky Nigerian seasoning.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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