Then the US should have done like the EU and apply anti-subsidy countermeasures -- and show before impartial WTO arbitrators the adequacy of the mesures. But o

Then the US should have done like the EU and apply anti-subsidy countermeasures -- and show before impartial WTO arbitrators the adequacy of the mesures. But of course the US (or Canada) can't justify their 100% duty in those terms, so they don't even try.