Robin Hood Tax Challenged
Europe's top court shoots down a British challenge to the Financial Transaction Tax, which aims to raise new public funds and protect against financial market volatility. We hear from best-selling French economist Thomas Piketty, and ask Irwin Stelzer whether Piketty's theories on wealth distribution could ever become policy. Also big money is being spent on social media campaigns during India's general election - the BBC's Faarea Masud finds out if it'll have any influence on India's offline voters. Finally, anonymous social network 'Secret' expands outside of the US - but what's the attraction?