US-Canada trade negotiations have been suspended as President Trump’s 50% tariffs on roughly $28 billion in Canadian goods take effect. Canadian Prime Minister

US-Canada trade negotiations have been suspended as President Trump’s 50% tariffs on roughly $28 billion in Canadian goods take effect. Canadian Prime Minister Mark Carney blames the breakdown on "unfair" last-minute changes to Washington's proposed terms and vows dollar-for-dollar retaliatory tari…