WASHINGTON — Congress put its final stamp of approval Wednesday on legislation dumping a trade law that allows U.S. companies to profit from penalties on Canadian imports like softwood lumber. The measure, which goes into effect Oct. 1, 2007, was part of a massive budget-cutting bill passed by the House of Representatives. President George W. Bush said in a statement he looked forward to signing the bill. Canada has always argued the so-called Byrd amendment must go. The five-year-old law allows the Treasury to funnel money from duties on imported goods directly to U.S. rival companies. It's still unclear what...