World Economic Forum: A look ahead

There's no lack of issues up for discussion at this year's annual meeting of the World Economic Forum in Davos, Switzerland: eurozone woes, Middle East revolution, the gloomy global economy to name but a few. Patrick Jenkins, banking editor, Chris Giles, economics editor, and Gideon Rachman, chief foreign affairs commentator, discuss the topics likely to dominate the agenda for the world's political and business elite.