Duration: 30 minutes
Reporter John Sweeney investigates the secretive world of the billionaire Barclay twins. Sir Frederick and Sir David Barclay own the paper that exposed the MPs' expenses scandal. So why do they hate it when the spotlight is turned on them?
London's high-end Ritz hotel has not paid any corporation tax in the 17 years since it was taken over by the reclusive Barclay twins.
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