Stone unturned? Trump’s adviser on trial

Today Roger Stone, a colourful associate of President Donald Trump for 40 years, goes on trial facing seven charges; he denies them. Could his testimony worry the Trump camp? In the international race to mass-market driverless cars, China’s 5G network may provide a critical edge. And why you shouldn’t worry too much about eerily apposite computer-generated text. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer For information regarding your data privacy, visit acast.com/privacy