On gun rights, abortion policy and health care Amy Coney Barrett, the seemingly unstoppable successor to Ruth Bader Ginsburg, will shift the court’s balance for decades. In China, the visually impaired are usually shuffled off to the massage industry; we meet blind students with greater ambitions. And tracing the origins of the boring supermarket spud. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer