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Business travel and Christmas holidays were ruined for hundreds of thousands of people by snow. While many airports abroad bounced back quickly from bad weather, some in Britain began to resemble refugee camps. But discontent among passengers and airlines goes well beyond winter readiness. Julian O'Halloran asks how one operator BAA, justifies its grip on no fewer than half a dozen British airports? And questions whether government and regulators need to take more control over the industry in order to prevent further damage to Britain's image abroad.. Producer : Samantha Fenwick.