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RUTHERFORD, CA - SEPTEMBER 20: A worker at St. Supery winery pours a glass of wine for a tasting September 20, 2006 in Rutherford, California. Wineries in the Napa Valley region are in the midst of harvesting their 2006 crop and will pick and crush grapes until about mid-October. (Photo by Justin Sullivan/Getty Images)

RUTHERFORD, CA - SEPTEMBER 20:  A worker at St. Supery winery pours a glass of wine for a tasting September 20, 2006 in Rutherford, California. Wineries in the Napa Valley region are in the midst of harvesting their 2006 crop and will pick and crush grapes until about mid-October.  (Photo by Justin Sullivan/Getty Images)