Cannabis rules in CA: Are some cities trying to regulate away Prop 64?

Second of three parts
One in seven California cities requires residents to get a permit to grow marijuana at home for their personal use.
To get that permit, some of those same cities want residents to submit to background checks and in-home police inspections. Other cities want personal-use cannabis growers to submit notarized forms and scaled site plan drawings. Some charge permit fees that can run up to $1,420.
All of these city rules are being imposed upon citizens who, under California&rsqu