Brexit represents a political gamble played for the highest of stakes. If Britain leaves the EU without a deal, there will be significant economic disruption; even the most ardent Brexiteers acknowledge that. But they believe the potential rewards justify the risk. Stephen Sackur speaks to Stuart Wheeler, a successful businessman and lifelong gambler, who backed his commitment to Brexit with plenty of his own cash. Has his money given him undue influence over Britain's future?
