The Full Faith and Credit and Due Process Clauses prohibit states from regulating out-of-state conduct unless the conduct involves a "significant contact" or "significant aggregation of contacts" with the state.[6] The Privileges and Immunities Clause prevents states from enacting certain types of laws that give a benefit to in-staters but not out-of-staters.[7] And of central relevance to this article, the Dormant Commerce Clause prevents states from enacting certain… [read post]