Legacy of Extremism and Political Shifts

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.

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