We . . . refuse to abdicate our constitutional duty when Congress has acted beyond its enumerated Commerce Clause power in mandating that Americans, from cradle to grave, purchase an insurance product from a private company.

Florida v. United States Dept. of Health & Human Services, No. 11-11021 (11th Cir. Aug. 12, 2011) (Dubina, C.J.) (striking down key section of healthcare reform law on grounds it did more than commerce clause allowed and that tax power didn't permit section because Congress didn't invoke it).