Pot Find Is The Legal Kind Oregon -- The officers serving a search warrant on what they thought was a massive marijuana-growing operation had swarmed a greenhouse filled with plants and were poised to kick in the door of a house on the property when the word came. This was a registered medical marijuana site and it complied with Oregon law. "This is a frustration for us," said Sgt. Rick Valentine, supervisor of the Jackson County Narcotics Enforcement Team, who coordinated the seven Jackson County Sheriff's Department employees making this search earlier this month. "When we spend time on what...