Is opinion polling broken?
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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
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