H aven't we heard enough from Al Gore, the U.S. windbag turned Hollywood celebrity who presumes to lecture Canadians on their environmental responsibilities? The failed U.S. presidential candidate spends a lot of time in Canada, perhaps because he finds it fertile ground for self-enrichment. The multi-millionaire with a carbon footprint the size of a Sasquatch was in Toronto at the weekend, preening himself among adoring fans. He was introducing a showing of his Oscar-winning movie An Inconvenient Truth, that apocalyptic vision of a world in meltdown that has earned him the soubriquet of "the world's most famous environmentalist." Gore, whose...