OPEC oil output will not be cut even if price hits $20

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Saudi Arabia, the cartel's largest member, says it won't try to push oil prices higher. We'll be asking how long low energy prices are likely to stay. Also in the programme, Taiwan has become the latest trouble hot spot for the online taxi service Uber. We find out why. Plus, are we living in a third industrial revolution? Our economic commentator Roger Bootle thinks so. And our reporter Sarah Stolarz takes us on a whistle-stop tour of Zambian music.