Following years of military takeovers in the region, Niger is the West’s last solid ally in the Sahel. But with this coup, and growing alignment with Russia, these relations are in jeopardy. Why is a policy to decongest London proving such a politically divisive issue (10:49)? And, a deep dive into a Canadian lake shows that humanity may be entering a new epoch (17:01).For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.