By Niagara Escarpment Correspondent Bryan Calandrelli The Niagara Escarpment AVA added another winery this weekend as Arrowhead Spring Vineyards opened it doors to hundreds of chocolate-eating, wine-drinking visitors during the "Be Mine with Wine" trail event. The Niagara Escarpment itself provides a spectacular backdrop for vineyards in this area which is quickly making Cambria, NY a wine destination thanks to the six wineries located within a few miles of one another. Temperatures in the single digits and wind chills flirting with minus twenty below didn’t stop the hordes of tasters, myself included, from checking out the view from the newest…