The Republican-appointed Supreme Court justices have been treating the Trump administration with such extreme deference that we were honestly a little flummoxed listening to this week’s arguments over his “Liberation Day” tariffs. Shockingly, during Wednesday’s arguments in Learning Resources v. Trump and Trump v. V.O.S. Selections, it seemed like the justices were in fact, concerned with presidential overreach. But was this a true bridge-too-far-moment, or were they more concerned about their own pocketbooks? This week, Dahlia Lithwick and Mark Joseph Stern discussed the arguments with Marc Busch, the Karl F. Landegger Professor of International Business Diplomacy at the Edmund A. Walsh School of Foreign Service at Georgetown University. Busch is an expert on international trade policy and law, and signed onto an amicus brief on behalf of trade scholars explaining the history and context of IEEPA.  Want more Amicus? Join Slate Plus to unlock weekly bonus episodes with exclusive legal analysis. Plus, you’ll access ad-free listening across all your favorite Slate podcasts. You can subscribe directly from the Amicus show page on Apple Podcasts and Spotify. Or, visit slate.com/amicusplus to get access wherever you listen. Learn more about your ad choices. Visit megaphone.fm/adchoices