Canadian Prime Minister Mark Carney calls new U.S. tariffs ‘a miscalculation' after trade talks collapse NBC News‘Attacked' by Trump on Trade, Canada Is ‘at War' With U.S., Carney Says The New York TimesWhat to know about Trump's 50% tariffs on Canadian goods that just went into effect AP NewsInside the 72 hours that cratered the US-Canada trade deal PoliticoNo More Concessions: Canadians Want a Tougher Approach to U.S. Trade Talks leger360.com