Republicans take control of both Houses of Congress

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Why US voters turned against President Obama, and what it might mean for their economy. India's new prime minister makes big promises on foreign investment, but big business needs convincing. We have a report from the World Economic Forum in Delhi. Should you invest in your local wind farm? With renewable energy investment schemes ramping up, we ask Andrew Simms from the New Economics Foundation whether it's a good idea. Also in the programme, how revolution in Tunisia failed to bring prosperity. Plus, if you like cycling to work while listening to music, should you be banned from doing so?