The Wall Street Journal editorial board warned the Supreme Court that greenlighting President Donald Trump’s sweeping tariffs would be a disaster for the country and its constitutional system.

As the justices prepare to hear oral arguments Wednesday in a case that will decide the fate of Trump’s signature economic policy, the Rupert Murdoch-owned Journal disputed Trump’s claim earlier this week that an adverse ruling would reduce the U.S. to “almost Third World status.”

“Mr. Trump has warned of an economic catastrophe if the Court rules that his emergency tariffs are unconstitutional,” the editorial board wrote. “The real calamity for the country and its constitutional system would be a decision that blesses Mr. Trump’s claim that every President can be the Tariff King.”

The op-ed rec

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