Originally Posted by WildIrish

As Jseal touched upon with his point of possession, one could effectively argue that there is NO acceptable amount of drugs your system can contain while operating a vehicle. Not like the FDA's determination that there is, in fact, an acceptable amount of rat droppings allowed in hot dogs.

I'm not one to promote a police like state where everyone needs to pee in a cup and show their papers when they so much as go to the grocery store to pick up diapers, but auto accidents happen easily enough when people aren't impaired. I don't mind a little random testing.