Intro

Yesterday, America’s Supreme Court issued its most important Second Amendment ruling in more than a decade, striking down a New York law that tightly regulated concealed carrying of guns. The ruling means cities will probably see a lot more armed people. Our correspondent caught up with Ukraine’s First Lady. And new research into the origins of the Black Death. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer