The world’s largest mining company has a problem. Australia’s BHP has set out its intentions to snap up rival miner Anglo American in a multibillion-pound deal which would reshape the global industry. Its proposed £31bn takeover plan has already been rebuffed as a lowball offer which undervalues the company. But Anglo’s deep roots in South Africa could be a far more sensitive issue to address. Africa’s most advanced economy was built on mining. For more than 150 years since the first discovery of diamonds, gold and coal the industry has remained South Africa’s economic lifeblood. Today, it is the world’s...