Canadian oil prices are now just $18 below the price of U.S. crude thanks to a series of new U.S. pipelines, The Wall Street Journal reported this morning. This means the Keystone XL Pipeline is already obsolete. "Higher oil prices in Canada ... are a sign that oil-sands crude is finding its way to the U.S. even without the approval of the controversial Keystone XL pipeline," Journal reporters Nicole Friedman and Chester Dawson said. "The resurgence in Canadian oil prices and energy stocks is further confirmation that the transportation problems that have prevented both Canada and the U.S. from enjoying...