By Evan Dawson, Finger Lakes Editor Photo montage by Morgan Dawson Photography Are Finger Lakes wine producers insecure about alcohol? It's a strange question, I realize. But it's one that came to mind when my wife and I were out to dinner recently. We ordered a bottle of Joh. Jos. Prum 2007 Riesling Kabinett from Germany's Mosel. The wine was beautiful — and it was only 9% alcohol by volume (ABV). Not long ago we enjoyed a Fritz Haag from Mosel that came in at 7% ABV. So I wondered: Why don't we see Finger Lakes rieslings at lower alcohol…