Emmanuel Ibe Kachikwu - Nigerian Minister for Petroleum Resources

As part of the BBC's Trading Fortunes season focusing on global trade, Stephen Sackur speaks to Nigeria's minister of state for petroleum resources, Emmanuel Ibe Kachikwu. When President Muhamadu Buhari won the Nigerian presidency two years ago it seemed like Africa's most populous nation had turned a corner. A first ever peaceful, democratic transition brought a promise of cleaner, better governance, and major economic reform. Two years on, how has it gone? Can oil-dependent Nigeria transform itself into a modern trading economy?