From the BBC World Service: Japanese carmaker Nissan will cut 20,000 jobs globally as it struggles with falling sales in China and heavy price discounts in the U.S. We'll hear more. And later in the program, leaders and economists in Africa gather in Togo to discuss the continent's debt challenges. Plus: slashed duties on parcels from China and Hong Kong to the U.S. and calls for unity from Chinese President Xi Jinping.