CBC: Try as it might, the National Energy Board just can't escape the climate change discussion. In his campaign trail unveiling this week of the Liberal Party's new green agenda, Liberal Leader Justin Trudeau singled out the country's energy regulator for the part he believes it should play in curbing Canada's greenhouse gas emissions. Not long ago, the NEB was just a sleepy regulator that went about the business of setting tolls and monitoring pipelines with little attention and even less fanfare....