E&J Gallo's first and only public tasting room , located on the tourism yellow brick road that is the Healdsburg plaza in Sonoma County, shuttered last week, covering the windows with butcher paper and posting a sign on the door that said the company decided not to renew its lease, yet welcomed consumers to visit its web site and join its wine clubs. Gallo, the Modesto-based winemaking giant that values secrecy as much as it does profits, surprised the Sonoma winemaking community by opening a posh tasting 'salon' on a busy corner of the Healdsburg plaza in 2003. Rarely has the company parted its curtains to let visitors get a...