Laura Healy, who helps run the Green Hope Patient Network, displays marijuana provided by the group Tuesday, Dec. 14, 2010, in Shoreline, Wash. The Washington State Department of Revenue recently ... more 
Laura Healy, who helps run the Green Hope Patient Network, displays marijuana provided by the group Tuesday, Dec. 14, 2010, in Shoreline, Wash. The Washington State Department of Revenue recently mailed letters to 90 dispensaries and related organizations, insisting that medical marijuana is not exempt from state sales tax. (AP Photo) less 
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Associated Press
Thu, Dec 16, 2010 2:39 PM EST