Abject lesson: the siege of Mariupol

To the west, strikes near Poland have rattled NATO partners. But look to the south-east to see what Russia intends for the Ukrainian cities it encircles. Chile’s new president Gabriel Boric is just the latest leftist to take office in the region; we examine the “pink tide” that is coming in. And why British retail workers are sporting body cameras. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer