DUI doesn't mean just alcohol — it means driving under the influence, and driving under the influence of marijuana is a crime in every state in America. The trick is detecting the impairment, which is now only really done with field sobriety tests — there is no breathalyzer for marijuana, although some companies are getting close to solving that riddle. In this podcast segment Jim and Doug discuss the difficulty with detecting and enforcing impaired driving as a result of marijuana intoxication.