CBC: The three northern premiers have rejected Liberal Leader Stéphane Dion’s plan for a national carbon tax, saying it will just add to the already high costs of energy in the region. Wrapping up a conference in Yellowknife on Saturday afternoon, all three leaders said Dion’s plan would be unfair to those who live in Yukon, Nunavut and the Northwest Territories. “We think there are better ways to deal with this issue than another tax being applied, especially in the North …