ANGLO AMERICAN CEO Duncan Wanblad said that mining companies have to confront tough decisions such as cutting costs as weak metal prices hit earnings, a day after the group announced plans to shed an undisclosed number of jobs. The industry, including South Africa, where Anglo owns iron ore, platinum and diamond mines, is going through "challenging times", Wanblad said in a virtual address to a South African mining conference. "We know that securing long-term competitive advantage and establishing a more resilient platform involves tough choices along the way," Wanblad said. Weaker metals prices and concerns of a global economic slowdown…