The US and China's relationship has been characterized for years by rivalry and deep economic ties. They compete on trade, on technology, and for global influence, and still they need each other. Now the war in Iran is pulling Beijing and Washington into a new standoff. As Donald Trump prepares to meet Xi Jinping, the question is whether the world’s two largest economies can steady the relationship, or see tensions deepen further. Our co-head for Asia John Liu joins Caroline Hepker to discuss.

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