Traffic stops are part of the daily routine for many law enforcement officers. And most patrolmen often start the same way. They ask you for your license and registration and then utter the words; do you know why I pulled you over? A new law that just took effect in California changed that initial exchange. Beginning January 1st, officers can no longer ask if you know your infraction. Now, they must tell you why they stopped your vehicle. The hope is that this law change will lead to better relations between law enforcement and the public…