Alistair Darling - British Chancellor of the Exchequer, 2007-2010

Just how close to meltdown is the Eurozone? With Greece preparing for an election which many see as a de facto referendum on a Euro exit, the continent's financial markets are awash with fear. Bank runs, contagion, systemic collapse - these are European nightmares which could pose a grave threat to the global economy. HARDtalk's Stephen Sackur speaks to Alistair Darling who was Britain's chancellor during the financial crisis of 2008 - is there a way out of the economic hole Europe has dug for itself?