Back when I was first getting into wine, I was shopping at Red Feet Wine Market, an Ithaca boutique wine shop. I noticed that some of their shelftalkers had little stickers (seen above) with the letters "O", "S"or "B".  Having lived in Ithaca for a bit, I soon gathered that "S" stood for "sustainable" and "O" stood for organic.  I had no idea what "B" stood for. "Biodynamic," owner Dewi Rainey informed me. "It's like organic plus."  Intriguing. She went on to explain that in addition to being 100% organic, grapes are farmed according to an astrological calendar and how…