Guardian: The government was last night under pressure from parliament’s most powerful watchdog committee to re-open consultations on the deal which has landed taxpayers with the bill for nuclear accidents and leaks when a private consortium takes over the decommissioning of Sellafield next month. Edward Leigh, chairman of the Commons public accounts committee, has written to Ed Miliband, the energy and climate change secretary, telling him that his ministry had broken Treasury rules and failed …