A surprise peace agreement should permit desperately needed humanitarian relief for millions in the region of Tigray—but there are reasons to doubt the grinding conflict is at an end. Britain has a problem that other rich countries do not: its over-50s are flooding out of the labour market. And our correspondent attends an unexpectedly tame “crypto rave”.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.