[CircleSpokes]

>Berkeley attempted this and it was recently overturned: https://www.cbsnews.com/news/court-overturns-berkeley-califo...

There is a legal difference between a state banning it and a city. States have far more powers that cities don't (unless the state delegates that power which they often do)

[DannyBee]

In this case it would not matter, the ruling says it's pre-empted by federal law. It would still be pre-empted by federal law even if the state did it.