Grist: Canadian Prime Minister Stephen Harper has approved the Northern Gateway pipeline. This is not a huge shock. This is the man, after all, who called Barack Obama to personally register his displeasure over the president`s failure to approve Keystone XL. In the years before he was prime minister, Harper was a second-generation employee of the Imperial Oil Company. The man has governed in a way that is not only anti-environment but anti-environmental science. What else was he going to say to a pipeline...