You'd think so but here in Los Angeles we have honest to God oil derricks right in the middle of residential neighborhoods and on public school grounds. If zon

You'd think so but here in Los Angeles we have honest to God oil derricks right in the middle of residential neighborhoods and on public school grounds. If zoning doesn't prevent the heaviest of heavy industry from setting up shop right next to preschool then it's pretty clear that the only reason we have it is to boost the assets of entrenched property owners