The U.S. Lumber Coalition has expressed concern over recent announced and implied aid programs across Canada to benefit the Canada's lumber and forest products industry.   "The announcements of additional aid to Canadian producers are of particular concern in the already difficult market environment for U.S. producers and workers brought about by the COVID-19 pandemic," it said in a release.  "The Coalition will closely examine the details of each and every announcement of aid and will aggressively pursue any initiative that constitutes further aid to the already heavily subsidized Canadian softwood ...