The Associated Press’ Michelle Locke has written a story about Biodynamic farming of wine grapes in the United States focusing on Benziger Winery in Sonoma Valley and Quivera in Dry Creek Valley. It’s very much like other Biodynamic-centered articles in which the personalities at the center of the story claim to have had great success with the system, yet prefer to either discount the somewhat loony alchemical aspects of the practice or speculate that these practices "must be doing something"…