( April 28, 2026, 10:13 AM EDT) -- WASHINGTON, D.C. — Attorneys presented oral arguments before the U.S. Supreme Court on April 27 debating the question of whether the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) preempts label-based state failure-to-warn claims in situations where the U.S. Environmental Protection Agency has not required a warning. The question arose in litigation related the herbicide Roundup....