US-Canada Trade War Escalates: Carney's Retaliation Sparks Global Supply Chain Alarm

The US-Canada trade war has officially crossed the Rubicon, with Washington's 50% tariffs on $20 billion of Canadian goods now in force after talks collapsed midnight Friday. Prime Minister Mark Carney didn't wait for the ink to dry on the US measures before announcing Canada would impose "dollar-for-dollar" retaliatory tariffs, set to take effect September 8. The immediate targets: US steel, dairy, and electronics — sectors where Canada holds significant...