In December 2022, the WTO finally issued its dispute settlement ruling on President Donald Trump’s national security tariffs impacting imports of steel and aluminum. Jennifer Hillman [Georgetown University Law Center] and Mona Paulsen [LSE Law School] join to explain why the result was so problematic. Part I (02:10) introduces the 2018 tariffs and trading partner response, which included retaliation against US exports. Part II (14:35) describes the WTO dispute, the US legal defense, and the panel’s ruling. Part III (28:40) puts the importance of the national security dispute into historical perspective. Part IV (36:16) describes a potential alternative approach, “non-violation claims,” to avoid dealing with such sensitive national security disputes. Part V (43:44) concludes with lessons learned (54:37 total).

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