The U.S. president was optimistic but Prime Minister Mark Carney was cautious. Behind the scenes, a tentative agreement to end the Canada-U.S. trade war was crumbling during the final three

Tariffs of 50% on Canadian goods came into effect after trade talks collapsed. US President Trump has warned Ottawa to "fall in line," but Canadian Prime Minister Mark Carney has…

Trump calls Canadian officials ‘clowns’ and vows to increase levies