One of the great things about fermented grape juice is that no matter how much you know or how much you think you know, you never know everything. Wine can and will surprise you. Take this Pindar Vineyards 2001 Mythology ($30), for instance. I don't think anyone would argue that Pindar is one of Long Island's top, quality-focused producers. They aren't, but they are great at introducing people to wine with their sweeter, simpler wines. Every wine region has their Pindar. And it could be said that every region needs their Pindar. Regardless of Pindar's place in the local industry,…