Monsanto v. Durnell (Federal Preemption)

Send us Fan Mail In Monsanto Co. v. Durnell , the Supreme Court held that FIFRA expressly preempts a state-law failure-to-warn claim demanding a cancer warning on Roundup's label, since the EPA had approved the label without one and federal law requires using the approved label. The Court (per Justice Kavanaugh) reversed a $1 million Missouri verdict; Justice Thomas concurred; Justice Jackson,…