The CBC link plus my original article ( Link ) provide some background on the dispute. Essentially: - NAFTA rejects final US appeal that Canadian lumber practices are unfairly subsidized to the detriment of the US lumber industry - Canada asks for all tariffs levied and collected to be halted and returned - US says, "No way -- our own trade panel says you hurt us" - Canada says this endangers NAFTA and cancels softwood lumber negotiations - US says, "Let's talk -- it's the only way th...