Wickard v. Filburn can be twisted in virtually any way you like: "Noncompetes in one state affect national labor market price levels, thus are subject to the co

Wickard v. Filburn can be twisted in virtually any way you like: "Noncompetes in one state affect national labor market price levels, thus are subject to the commerce clause, and are heretofore banned." Not that I support this reading, but it's been used to shake off commerce clause challenges for the better part of a century now.