Ed Rosenthal, left, smokes marijuana with supporter David Cohen outside of the federal courthouse in San Francisco, Friday, April 13, 2007. Federal prosecutors said Friday they would retry marijuana grower Ed Rosenthal on cultivation charges, even after a federal judge urged them to drop the case and chastised the government for lodging charges solely to punish the self-proclaimed ''guru of ganja.'' (AP Photo/Marcio Jose Sanchez) Photo: Marcio Jose Sanchez