Josh Kraushaar
"None of this is supposed to happen under the U.S.-Mexico-Canada trade agreement that Mr. Trump negotiated and signed in his first term. The U.S. willingness to ignore its treaty obligations, even with friends, won’t make other countries eager to do deals. Maybe Mr. Trump will claim victory and pull back if he wins some token concessions. But if a North American trade war persists, it will qualify as one of the dumbest in history."