Toronto Sun: The Dalton McGuinty government is introducing legislation today to create a carbon cap-and-trade emissions system that it says will force polluters to curb their excesses — or pay big. "The bill will give the government the broad legislative framework to enable it to move ahead with a cap-and-trade system," a government source said. "But I don’t think there’s going to be specific emissions levels, or anything like that, in the legislation." Ontario is expected to share …