U.S. imposes 50% tariffs on Canada as trade talks collapse; Ottawa vows matching retaliation

Two nations bound by geography, history, and nearly a trillion dollars in annual commerce have crossed a threshold this week that allies rarely cross — from negotiation to mutual punishment. The United States imposed 50% tariffs on $20 billion of Canadian goods in the early hours of Saturday morning, after last-minute talks collapsed over terms neither side could fully accept. Canada's Prime Minister Mark Carney, refusing to absorb the blow passively, suspended negotiations and pledged matching retaliation dollar for dollar. What was once managed through partnership is now being settled throug