Adam S. Posen on IEEPA ruling, tariff revenue, refunds for importers, and more
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Adam S. Posen on IEEPA ruling, tariff revenue, refunds for importers, and more

Adam S. Posen (PIIE) joined CNN International to discuss the Supreme Court’s ruling on presidential authority to impose tariffs under the International Emergency Economic Powers Act (IEEPA), other legal avenues President Trump could use to impose tariffs, what’s next for refunds for US importers, and more. Video excerpt published with permission of CNN International's Newsroom with Jim Sciutto. Aired on February 20, 2026.