The judges tasting and scoring reds from Long Island, France and California By Lenn Thompson, Executive Editor I walked in to Saturday night's "Judgment of Riverhead" tasting at Roanoke Vineyards with an intoxicating blend of excitement, curiosity and nervousness. The wine lover in me was near-giddy about tasting so many top wines blind. Blind tasting is one of my favorite things to do — especially when I get to taste with winemakers and other industry folks. I wish I got to do it more often. The local wine enthusiast in me wondered what Long Island wines would be poured and…