Accordingly, we hold there is a genuine issue of material fact in dispute as to whether the Ordinance furthers a significant government interest.   We therefore reverse the summary judgment in favor of Lakewood as to the constitutionality of the Ordinance.

http://caselaw.findlaw.com/us-9th-circuit/1301533.html

Why did the court overturn a law? Because of violations of their open meetings act and the voiding of meetings.