In a special business series, HARDtalk takes a closer look at the state of the global economy. The IMF says there is a one-in-four chance of a global recession; the credit crunch has spooked money markets; soaring commodity prices threaten to stoke inflation and inflict misery on the poor. Tomasso Padoa-Schioppa was until last month, Italy's finance minister. Stephen Sackur asks him just how sick the world economy is.
