From the BBC World Service: Japan is planning to impose export restrictions on equipment used to manufacture semiconductors. The trade controls align with an American push to limit China's ability to make advanced chips. Plus, the outgoing head of the World Bank, David Malpass, tells us he's concerned about some of the loan conditions China has been giving to low income countries. And, we talk to the man behind one of the most successful ever cell phone games — the Candy Crush Saga.