The Tariff Chaos Is Over. The Tariff Chaos Is Just Beginning.

Ms. Sarin, a contributing Opinion writer, is a professor at Yale Law School and the president of the Budget Lab at Yale.

This article has been updated to include President Trump’s reaction to Friday’s Supreme Court ruling.

So what now? As expected, the Supreme Court invalidated the Trump administration’s signature economic policy on Friday, ruling that the law did not permit the president to impose trillions of dollars of tariffs on our trading partners across the globe. Back in August, President Trump said that a ruling like........

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