Protests have broken out in Minneapolis and far beyond, following another black man’s death at the hands of a white policeman. Can the once-mighty Black Lives Matter make itself heard? The pandemic may threaten London’s place as Britain’s undisputed centre of gravity. And a researcher spooks spooks by revealing a decades-old spy pact. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer