Om episode
The leader who oversaw the Soviet Union’s collapse had only intended to reform it. But the propaganda and repression he abhorred were what held it together. A speed bump lies ahead for electric vehicles: manufacturing and mining capacity may not keep up with battery demand. And visiting a vast landscape sculpture in Nevada’s desert ahead of this week’s public opening.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer