Here on the East End, in the heart of merlot country, Channing Daughters Winery in Bridgehampton serves as a tasty oasis for white wine lovers. They make make red wine as well of course, but white wine is where winemaker Christopher Tracy shines, with a varied roster of different and unique wines. While most local wineries use Bordeaux as their model, Tracy and Channing Daughters Winery looks to Italy for inspiration — northern Italian regions like Friuli and Trentino — because of the similarities of their cool maritime climate to our own. Channing Daughters Winery is known for experimentation and…