Yvonne Wingett Sanchez, The Republic | azcentral.com
medical marijuana
 
The state’s high court ruled Tuesday that motorists with a secondary marijuana metabolite in their system cannot be charged with a DUI on that basis alone, indicating the court was unconvinced the mere presence of the metabolite proves impairment.
 
Full Article:
http://www.azcentral.com/story/news/arizona/politics/2014/04/22/arizona-high-court-pot-metabolite-prove-dui/8011323/