Fed set to end US stimulus programme

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The US central bank prepares to wind up the biggest ever economic stimulus programme. Two Federal Reserve insiders - Randy Kroszner and Andrew Huszar - tell us how the bank spent trillions and trillions of dollars. Did it really save the world from financial armageddon? Also in the programme, Zambia's president, Michael Sata, has died. We talk to Zambian economic consultant Oliver Saasa about his economic legacy. And we're in Mexico City, recently judged one of the worst places in the world to be a woman using public transport. Plus, digital detox: our technology correspondent Rory Cellan-Jones goes cold turkey for a data-free day.