DUI is big business and big votes. And, wherever there’s money and votes, you’ll find laws making it easier to put them in the pockets of the people most likely to benefit. It’s a political issue, one that politicians can safely get behind … especially when forces like MADD are brought to bear.
You can buy pot over the counter in Colorado. Washington and Oregon have decriminalized simple possession. More than 20 states have laws legalizing pot use for medical purposes. What this means for law enforcement is stepped-up efforts at arresting pot smokers.