Transnet CEO Portia Derby has resigned. Her resignation yesterday follows a year of lobbying by business and, more recently, organised labour, as the performance of the state logistics company crumbled under her watch. A statement released by the board also announced that Transnet chief financial officer Nonkululeko Dlamini had also resigned. To look at  what lies ahead for the rail and ports giant we are joined on the line by Azar Jammine, Director and Chief Economist at Econometrix...