Battle for Iraq oil refinery

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Militants in Iraq have attacked the country's largest oil refinery, prompting a major battle. We hear how important the huge Baiji complex is for supplying Iraq's energy needs and hear from Kurdish representative to the UK Bayan Rahman. Also General Motors chief executive Mary Barra faces intense questioning from US lawmakers as questions linger over the car giant's botched recall procedures. We have the latest from Washington. Plus how the World Cup has been good for the clothes manufacturers of Bangladesh - but what about the workers - and finally the superbanana that could help make millions of Africans more healthy.