The U.S. demands for Greenland ramped up this week, with President Donald Trump threatening new tariffs against EU countries that oppose his plan. Prime Minister Mark Carney pushed back in a speech at Davos – calling for a rethinking of alliances, warning that 'great powers' are using economic integration as 'weapons.'

What does this moment reveal about where Canada-U.S. relations are headed? 

CBC Washington correspondents Paul Hunter, Katie Simpson and Willy Lowry dig into the president’s latest moves on Greenland, the impact on NATO and where this leaves Canada as a neighbour and key trading partner.

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