Canadian Ambassador to the U.S. David McNaughton may be correct that his country’s pricing policy on ultrafiltered milk may be WTO legal, but that doesn’t mean it lacks adverse impact on U.S. suppliers. DEIP the Canucks Canadian Ambassador to the U.S. David McNaughton may be correct that his country’s pricing policy on ultrafiltered milk may be WTO legal, but that doesn’t mean it lacks adverse impact on U.S. suppliers. Just as Canada used to ship sugar containing products into the U.S. in a loophole around strict American sugar import quotas, ultrafiltered milk had become the way in which American dairy suppliers bypassed Canada’s strict import quota system. Donald Trump referenced the issue this week in Wisconsin by saying, “We’re going...