A jury has found a Grass Valley man not guilty on all counts in a Craigslist pot sale case. Ronald Hansen, 54, was arrested in November 2011 after a Nevada County Sheriff’s narcotics task force member responded to his Craigslist.org advertisement, arranged to buy 1-1/2 ounces for $300 and set up a meeting with him in the parking lot of a Grass Valley restaurant. At the beginning of Hansen’s trial in Nevada County Superior Court, Deputy District Attorney Jim Phillips said the case was about profit, claiming that Hansen stood to make about $180,000 from the illegal sale of marijuana. …