Regardless of how the Supreme Court rules, the case will shape US economic policy for years to come—and its effects will reach far beyond tariffs. A tough call for the Supreme CourtA threshold question for the Supreme Court will be how much deference to give the president in matters of foreign affairs and national security. Even if the court upholds Trump’s tariffs, these cases create a roadmap for future plaintiffs to challenge policies justified under IEEPA. How the Supreme Court rules could shape not only Trump’s tariffs but also US influence in an increasingly competitive global economy. Related contentEconomic Statecraft Initiative Housed within the GeoEconomics Center, the Economic Statecraft Initiative (ESI) publishes leading-edge research and analysis on sanctions and the use of economic power to achieve foreign policy objectives and protect national security interests.