Barack Obama's *veto of Keystone XL has placed the export pipeline for Canadian tar-sands crude on its deathbed. Earlier in February, the Environmental Protection Agency revealed that Keystone could spur 1.37 billion tons of excess carbon emissions — providing the State Department with all the scientific evidence required to spike the project, permanently. If the news has cheered climate activists across the globe, it also underscored the folly of Canada's catastrophic quest, in recent years, to transform itself into a dirty-energy "superpower."