Q&A: IEA Chief Economist Fatih Birol

In the next two decades, Iraq could be the world's largest source of new energy, single-handedly providing nearly half the growth in global supply.That is the remarkable conclusion of the International Energy Agency (IEA), whose annual World Energy Outlook report, published on Tuesday, includes an in-depth focus on Iraq.The report highlights both Iraq's opportunities and its challenges: there is ample oil and gas underground, and it can be extracted relatively cheaply; but the country ca...