Failing to Stop 

It must have happened in LA.

A man gets stopped by the police for not stopping at a Stop Sign.
"You didn't make a complete stop at that stop sign back there", says the Policeman.
"Well, I slowed down and checked", says the man.
"Yes, but you didn't stop", says the Policeman.
"But, I slowed down", says the man.
"But you have to Stop", says the Policeman getting frustrated.
"Yes, but I slowed down," says the man again.
This went on for a while and finally the Policeman had had enough.
He pulled out his night stick and started beating the man with it.
"Stop, Stop", says the man
"Do you want me to Stop, or just slow down?",  asks the Policeman