Ruth Bader Ginsburg was a liberal icon. Her death last week opens a Supreme Court vacancy for Donald Trump to fill, which could tip the court further right ahead of what might be a legally fraught election. And there is nothing that Democrats can do about it. The majority of land in Africa is neither mapped nor documented. People who can’t prove that they own their land, cannot unlock its value. That is holding back the continent’s economies. And Japan may be famous for its slick and speedy bullet trains. But the country’s rural railways have reached the end of the line. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer