Long Island, admittedly, doesn’t offer many red wine values under $20. So when I tasted Shinn Estate Vineyards’ latest non-vintage labeled ‘Red’ table wine, which is $15, I had high hopes. Would this be a wine I could tell people about when they want an every day-priced red? Yes…and no. I really liked the Red from a couple years ago, but this one, which is actually made from grapes grown in 2006, isn’t quite as good despite its redeeming qualities. The previous bottling was 75% merlot and 25% cabernet sauvignon, so this is quite different, made with 99% merlot and…