Under a new law proposed by State Senator Lou Correa, it would become illegal in California for a person to drive a vehicle if his or her blood contains any detectable amount of marijuana. This includes medical marijuana, so card holders wouldn't be exempt from this "zero tolerance" policy. Furthermore, considering marijuana can be detected in one's system weeks after use, it's entirely possible a driver could be slapped with a DUI charge after the effects are long gone. LA Weekly has the story.
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