Is opinion polling broken?
The opinion polling industry\u2019s reputation has taken a battering in recent years, as high profile slip-ups in the US presidential election exposed frailties. So should we write them off? Not according to Economist data journalist G Elliot Morris, who\u2019s written a book called Strength in Numbers: How Polls Work and Why We Need Them.
Presenter: Tim Harford\nProducer: Jon Bithrey \nEditor: Richard Vadon\nProgramme Coordinator: Brenda Brown\nSound Engineer: Rod Farquhar