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As the British pound wilts and the price of imported guitars in London rises, should we all be fretting about the return of "currency wars"?

Presenter Ed Butler speaks to one American hard money man, author Jim Rickards, who claims the world faces financial collapse if it does not return to some kind of gold-backed system. Meanwhile Edwin Lane reports from Denmark Street - London's Tin Pan Alley - on how the street's musical instrument shops are being hit by the post-Brexit drop in sterling.

Plus, mathematician Dr Murray Cantor explains why businesses could do a much better job of managing project time overruns if the managers would just listen to their developers.

(Picture: Guitars hang in the Regents Sounds guitar shop on Denmark Street in London; Credit: Dan Kitwood/Getty Images)