Steven Calabresi of Northwestern University and Samuel Estreicher of New York University join Jeffrey Rosen to discuss the statutory authority for President Trump’s tariffs and whether they violate federal law or the Constitution. Resources Samuel Estreicher & Andrew Babbitt, “Are Tariffs an Emergency Power?,” Lawfare Blog (April 3, 2025)  Steven Calabresi, “President Trump's New Tariffs Are Unconstitutional,” Volokh Conspiracy (April 5, 2025)  Complaint for Injunctive and Declaratory Relief, Emily Ley Paper v. Trump, 3:25-cv-00464 (N.D. Fla., April 3, 2025) Stay Connected and Learn More Questions or comments about the show? Email us at [email protected] Continue the conversation by following us on social media @ConstitutionCtr. Sign up to receive Constitution Weekly, our email roundup of constitutional news and debate. Follow, rate, and review wherever you listen. Join us for an upcoming live program or watch recordings on YouTube. Support our important work. Donate