The man who brought Islamic State to the world stage with visions of a brutal “caliphate” has been killed. But the jihadist movement, while weakened, lives on. Argentines voted their reformist president out and protectionist, big-state Peronists back in. Can the hobbled economy cope? And America’s push to start school later could boost grades and the economy, and even save lives.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