Re: It's left to individual cops to decide...
Miranda rights still exist here in the United States. There is no punishment for refusing to talk to a cop here. You don't even have to provide your name vocally, much less ID.
The trick is knowing how and when to refuse to talk or produce ID. For best results, discuss it with a real lawyer in your jurisdiction before the fact.
Note that Internet Lawyers are worth exactly the money you pay them. Likewise, so is any advice you may think I have just provided. Seriously, if you think you have a need to know the details, talk to a real lawyer in your jurisdiction. The rules in LA and San Francisco can vary, and from state to state the differences can be quite large.
Also note that you are required by law to produce a valid driver's license, current registration and proof of insurance if a cop stops you while in charge of a motor vehicle. This goes along with the privilege of driving.
Biting the hand that feeds IT
