Guest Hosted by Ed Rosenthal , who is recognized worldwide as an authority on marijuana. In his thirty-plus years as a cannabis expert, he has written or edited more than a dozen books about marijuana cultivation and social policy, that cumulatively have sold over one million copies. Rosenthal is a member of the International Cannabinoid Research Society and the Garden Writers Association of America, and has served as an expert witness on marijuana cultivation in federal and state trials.
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