Arizona case cited
By Valerie Bauerlein and Jon Kamp | The Wall Street Journal
When North Carolina lawmakers enacted a law governing transgender bathroom access in response to a Charlotte ordinance, they also spurred on a battle between conservative states and liberal cities over the right to have final say on everything from plastic bags to minimum wage.
The nation’s 15,000 municipalities are lawmaking laboratories, particularly on the West Coast, where cities banned smoking and offered health benefits to domestic partners well ahead of most states.