Reply #7: In addition to there being no test to determine if a person is stoned

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only to determine if a person has used within weeks, but there are no studies which say that marijuana negatively effects one's ability to drive. In fact, the British car program Top Gear did a test with a control group, a group that was drunk off alcohol, a group that was sleep deprived and a group on marijuana. The sleep deprived group did the worst, the drunk group came next, the control group came in second and the marijuana group came in first. It seems as if the paranoia that marijuana instills in people actually made them better drivers. So to punish people for driving stoned seems counterproductive.