The 'middle powers' pitch at Davos

Since returning to the White House, Donald Trump has directed some of his harshest criticism at America’s closest neighbor: Canada. Tariff threats, talk of making it the 51st state and pointed barbs have prompted the country’s Prime Minister, Mark Carney, to argue for a new approach to global trade and diplomacy. David Gura, host of Bloomberg’s Big Take podcast, joins Stephen Carroll to discuss.

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