Ask any local government veteran in California what has most hurt their cause and the answer will very likely be Prop 13. Since 1978, the infamous taxpayer revolt and its aftermath has been blamed for every public service woe in the book: closed libraries, lack of police protection, dying street trees, indeed faith in government itself. Yet a growing body of research suggests that per-capita spending by cities in California has not changed from that of pre-Prop 13 years. And nearly all observers of...