By Evan Dawson, Finger Lakes Editor Editor's Note: This is the second of three trip reports following a recent visit to Long Island. Portions of the story on Sam Argetsinger are excerpted from my upcoming book. For just a moment, amidst the hum of harvest, we're going to depart from building brix and acid trips and first crushes. We're going to focus on the vineyard. And there, underneath the science of wine, lies a kind of viticultural spirituality that manifests in two of the most impressive sites in New York. If it doesn't impress you yet, it will — when…