I'm going to keep saying this:  we should declare a moratorium on lumber exports to the US, with the government(s) offering low-income loans to forest products companies to make up for the loss of revenues.  Faced with a shortage of supply, rising costs, and the inferiority of American fibre, the America construction industry -- much larger than the lumber sector -- will mobilize its lobbyists and tame Congress reps to make sure this doesn't happen again.