Tensions are rising at Zaporizhia, which Russian forces are using as a military base. We ask what the risks are, and whether they can be headed off. Britain’s summer heatwave was deadly—but figuring out how deadly was no easy task. And discovering the real value of the “social capital” outside family and work relationships. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer