Professor Salas, a Lehigh University professor and tariff expert, dives into the notable impacts of the Trump tariffs on trade relations. He discusses the legal justifications surrounding recent tariff changes, focusing on China while addressing market reactions from Canada and Mexico. The conversation highlights the shifts from NAFTA to the USMCA, and the broader economic implications, including potential GDP effects and inflation concerns. Salas also explores how U.S. foreign policy decisions are reshaping alliances and affecting global trade dynamics.