The Preemption of Federal Law in the Patent Sphere

John Avlon: Federal law in the patent sphere preempts state law. He says it's usually an important matter of federal law, BZV state law. But then we come to this story about a right-wing lawmaker who is nullifying laws passed by local people. Avlon: They're anti democracy weapon is called preemption. It's not federal versus state, it's state versus local.