The White House yesterday proclaimed the results of its Section 232 investigation into lumber and wood products, concluding that rising imports could impair U.S. national security. In response, President Donald J. Trump issued a proclamation on September 29 imposing new tariffs on softwood lumber, cabinets, vanities, and upholstered wooden furniture.  The Department of Commerce report cited foreign subsidies, unfair trade practices, reduced investment, mill closures, and declining resilience of the domestic wood industry as threats to national security. Wood products were described as essential for both defense applications—such as construction, storage, transport of munitions, and missile ...