Crackdown on Corruption?

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British Prime Minister David Cameron is welcoming world leaders in London today to discuss how to tackle corruption, but critics say his mission has been undermined by Britain's own tolerance of tax havens. The BBC's Manuela Saragosa asks one of the delegates, David Lewis of the UK's Financial Action Task Force, what the conference can realistically achieve. Plus we hear from a US business magnate who argues that a Donald Trump presidency would be good news for the American economy. T Boone Pickens, chairman of the energy hedge fund BP Capital, also explains why he think oil prices will recover. (Photo: Afghanistan President Ashraf Ghani, arrives at Lancaster House for the international anti-corruption summit. Credit: Dan Kitwood/Getty Images)