Something’s changed

Rio Tinto’s new chairman-to-be Jan du Plessis could be the face of modest change. The Anglo-Australian miner has named the current chairman of British American Tobacco to lead the board. The appointment follows the embarrassing departure of chairman-designate Jim Leng, who resigned in February after disagreeing with Rio’s plans to raise $19.5bn from its biggest shareholder, Chinese miner Chinalco. Du Plessis, who will assume his new post when Chairman Paul Skinner retires in April, has an unenvi...