WASHINGTON, Sept. 27 (TNSFR) -- The U.S. Department of the Treasury Alcohol and Tobacco Tax and Trade Bureau has established the "Tryon Foothills" American viticultural area (AVA) in Polk County, North Carolina. This AVA, which covers an area of approximately 176 square miles, does not fall within or contain any other approved viticultural area. The establishment of this designation allows winemakers to describe the origin of their wines more accurately and helps consumers better identify the w  more