The lumber mills on Mitchell Island along the Fraser River are still bustling, but there are worries they could be in trouble. Last Friday, the U.S. Department of Commerce announced a big hike on duties for Canadian softwood lumber. Other anti-dumping fees were announced in July. That means Canadian lumber is now subject to duties of more than 35%. We speak with Kevin Mason, the managing director of ERA Forest Products Research, who provides some context on the ongoing trade dispute.