Nobody likes it: Yesterday, the Supreme Court heard oral arguments in President Donald Trump's tariff case. Trump has invoked the International Emergency Economic Powers Act (IEEPA) as legal justification for his tariffs, imposed in some form on nearly all imports from nearly all countries.

The "emergency" that grants him such economic powers, in Trump's telling, is either the trafficking of fentanyl into the U.S. (in the case of the tariffs on Canada, Mexico, and China) or, more confusingly, the (rather normal) existence of trade deficits.

"Reasonable people might disagree with the notion that any of that should be considered an emergency," writes Reason's Eric Boehm. But legally, some of these things are "besides the point" as the real question is whether the executive "has broad autho

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