U.S. President Donald Trump is threatening yet more tariffs, saying he’ll increase levies on cars, trucks and steel to 50% on January 1. This latest announcement comes as new tariffs came into place on Saturday on a number of Canadian goods worth $28 billion after trade negotiations fell apart.

Peter Armstrong, CBC’s Senior Business Reporter, is back on the show to talk about what moving forward without a deal on these new tariffs means for the Canadian economy and what Prime Minister Mark Carney’s promised “dollar-for-dollar” retaliatory tariffs could look like.

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