Today another state will enact a “permitless carry” law—no licence, checks or training required. We ask why states’ loosening of safeguards fails to reflect public sentiment. Brexit has supercharged Scottish nationalism, and this week’s elections may pave the way to another independence referendum. And a long-forgotten coffee species may weather the climate-change era.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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