Saying "federal law preempts state law" is often false. Constitution often gives exclusive power to states, and even where Congress has the Constitutional authority to preempt state law, it often does not.

They don't make law graduates like they used to. Saying "federal law preempts state law" is often false. Constitution often gives exclusive power to states, and even where Congress has the Constitutional authority to preempt state law, it often does not. https://t.co/Ws0YkaBKCs

— Robert Barnes (@barnes_law) July 30, 2022