US-Canada Trade War Serves No Intelligible Purpose

After trade talks with Canada collapsed last week, the US announced new tariffs of 50% on hundreds of products, Canada promised to retaliate “dollar for dollar,” and the White House said it would meet any such response with further escalation. In short, one of the world’s closest trading relationships is about to break down at enormous cost to both countries — and for no intelligible reason.Just why the talks failed is disputed. Canadian Prime Minister Mark Carney suggested the US made unaccepta