Like we know? We have a Breathalyzer for pot?
And if they tested positive for marijuana, you'd be bitchin' and moanin' about how marijuana stays in the system for days and they weren't really impaired and all that liberal whining ACLU bull.
"Who are pot smokers bothering, compared to the carnage inflicted upon society by the booze drinkers?"
And that's just not right! Let's legalize maruijuana and get those numbers UP, dammit!
>>"And how many of these arrests were for, say, driving under the influence of pot"
> Like we know?
So... you use statistics you don't understand. I see.