Botswana believes that, if it owns more of De Beers, it can make money beyond mining. Yet sceptics question the plans, for three reasons https://www.economist.com/middle-east-and-africa/2026/03/24/botswana-prepares-to-take-an-even-bigger-gamble-on-diamonds?taid=69c304b332093500012594d2&utm_campaign=trueanthem&utm_medium=social&utm_source=voante