Peter E. Harrell & Jennifer Hillman (Lawfare) had an interesting post yesterday, "Unexpected Questions in Learning Resources v. Trump," with the subtitle "Are IEEPA tariffs permitted as either a lesser form of an embargo or the equivalent of a license fee? In short: no." An excerpt:

The first unexpected issue that merited extensive discussion [at the oral argument in the tariff case] is one of the most intuitively appealing arguments in favor of the government's case: IEEPA clearly authorizes a president to embargo or block all trade, and presidents have used IEEPA with little challenge to impose trade embargoes against countries such as Iran and North Korea. If IEEPA authorizes embargoes, shouldn't the statute include the seemingly lesser power to tariff? Several justices were interested

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