https://scholarlycommons.law.hofstra.edu/hlr/vol37/iss1/5/
"Shared Sovereign Immunity as an Alternative to Federal Preemption: An " by Martin A. Kotler
Beginning with the Supreme Court's 1992 decision in Cipollone, courts have engaged in the practice of parsing the preemption language of federal legislation...
shared sovereignalternative tofederal preemptionimmunitymartin