Ira Porter
When President Donald Trump sits down with Chinese leader Xi Jinping in South Korea on Thursday, the two adversaries are expected to back concessions meant to ease their running dispute over tariffs. Bettering ties with Beijing would be a win for American manufacturers and consumers, but it coincides with fraying relations closer to home. For more than a century, the United States and Canada have been close strategic and financial allies. But Prime Minister Mark Carney has now told his fellow Canadians that it might be time to look for new trade partners. The ties between countries are never static. Laurent Belsie and Sara Llana report today on the costs and opportunities of adversity and adaptation.