Western fashion brands are in Chinese consumers’ crosshairs, the victims of political wranglings over sanctions and human-rights issues—a spat that may soon consume other industries. A striking number of people in the criminal-justice system have had traumatic brain injuries; our correspondent investigates how much that link has been overlooked. And why the audio app Clubhouse has stormed the Middle East.

For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer