For all of its purported similarities to Bordeaux, Long Island produces surprising little Sauvignon Blanc. It’s the white wine grape of Bordeaux after all. Yet, those that are made always seem to capture the region’s uniqueness. The best taste like Long Island in a bottle. Channing Daughters Winery, one of only three producers within the Hamptons Long Island AVA, sources the grapes for its Sauvignon Blanc from the Mudd Vineyard on the North Fork – where some of the Island’s oldest Sauvignon Blanc grapes grow. Winemaker Christopher Tracy is a white wine wizard – mixing and matching both expected and…