The WTO has ruled that the U.S. can use its controversial “zeroing” methodology in assessing alleged dumping of Canadian softwood lumber. The win for the U.S. government is important for the WTO’s future operations given the Trump administration’s historic antipathy towards the organization. While U.S. imports of softwood lumber from Canada dropped 25.1% year over year in January to their lowest since at least Dec. 2012, that was in part the result of a 23.7% slump in lumber prices. Nonetheless, Canadian exporters including Canfor and West Fraser have seen a reduced market share in im...