According to this op-ed, the city of Los Angeles is implementing a sweeping, yet almost completely unpublicized, effort to give historic status to tens-of-thousands of homes and properties across the city, without ever telling anyone about it.
For all those cities that double population during the work day, here's a revenue thought to consider. But why restrict it to in-bound commuters? What about residents who commute-out of the city? Is the commuter tax a legitimate revenue source?