Associated Press: A government warning about the dangers of increased use of trains to transport crude oil is giving a boost to supporters of the long-delayed Keystone XL pipeline.
U.S. and Canadian accident investigators are urging their governments to impose new safety rules on so-called oil trains, warning that a "major loss of life" could result from an accident involving the increasing use of trains to transport large amounts of crude oil.
Pipeline supporters said the unusual joint warning by the U.S. National...