States Nullifying Fed Regs?

"Last week, an Oklahoma House committee passed a bill that would nullify in practice some Food and Drug Administration (FDA) rules that prevent treatments from being used by terminally ill patients. ...pushes back against the FDA and their controversial methodology of withholding experimental treatments from people on their deathbed."

Tenth Amendment Center
http://bit.ly/1FRgwFt

States nullifying Fed regs? There's an approach. Sure, the Fed will oppose it. But think of dozens of states, all passing anti-Fed-reg laws. Keep 'em busy, anyway.