By Evan Dawson, Finger Lakes Editor Photos courtesy of Les Degustateurs Tom Leahy didn't know how he had come to own a bottle of 1985 Lucas Riesling from the Finger Lakes. It had slumbered in his cellar for years, though he had no memory of it as a purchase or gift. It was just there, hanging out among some of the most highly sought White Burgundies, and aged Vouvrays, and vintage Champagne. Leahy might have considered it to be like a Dan Brown book on a shelf filled with Steinbeck. Who could blame him? Nor did Leahy know what to…