Sonoma Valley-Based Don Sebastiani & Sons Announces Exclusive Sales & Marketing Agreement With Farmer's Market Wine Company; A New Zealand Wine Brand Developed by Noteworthy Winemaker Nick Goldschmidt SONOMA, CA--(Marketwire - Jul 5, 2012) -  Sonoma Valley-based Don Sebastiani & Sons is the exclusive sales and marketing agent for Farmer's Market Wine Company, a New Zealand wine brand...