Weder di Mauro: What went wrong at Credit Suisse

It is 12 months since the sudden downfall of Credit Suisse, one of a tiny number of Too Big to Fail global banks. Beatrice Weder di Mauro was one of an expert team who were asked by the Swiss Department of Finance to investigate the crisis and resolution. She talks to Tim Phillips about what they discovered, and the lessons we ignore at our peril.