Various: The province has abruptly pulled the plug on new nuclear reactors at Darlington, blaming a bid “many billions” too high from Atomic Energy of Canada Ltd. and putting pressure on Ottawa to bankroll any revived deal. Energy Minister George Smitherman zapped his own much-touted $20 billion scheme to expand Darlington as aging nuclear plants are phased out elsewhere in the province. In suspending a plan that dates to 2006, when Premier Dalton McGuinty said the reactors were …