A "Silk Road" in the Arctic?

China, the world's second-largest economy, sent several cargo ships through an Arctic route over the weekend, along waters hugging Russia's northern coast. The two countries are trying out a path that could become a new shipping lane from China's East Coast to the largest port in the U.K. — one that could avoid U.S.-controlled choke points for trade. But first, big retailers will report quarterly earnings this week. What could they tell us about the U.S. economy?

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Stories featured in this episode:

• Could an Arctic shipping route transform global trade?