State-based animal confinement reforms for CAFO animals are on a collision course with the federal government’s expanding control over food and agriculture production.  Progressive welfare policies endorsed by California and Massachusetts voters could transform U.S. food law and animal law–-if they survive political and legal challenges.  In this course you will become an expert in litigation disputes based in fundamental constitutional principles of federalism, Congress’s Commerce Clause authority, and the role of free speech in labeling claims and market-based “humane” certification programs. No prior legal study required.