WASHINGTON, D.C. — In the past week, the trade war saw new U.S. import restrictions on $1 billion in Canadian goods, fresh pain for Canadian steel workers, and more fiery rhetoric from the White House. Last Monday, hundreds of Stelco workers in Ontario learned of looming layoffs and a plan to halt operations at the Hamilton Works plant. Meanwhile, President Donald Trump announced a massive, $15 billion mega-steel plant project for Iowa, touting …