Is This Really Necessary?

Randall Grahm, founder, owner and winemaker of Bonny Doon Vineyard, likes to stay ahead of the curve. He was one of the first winemakers in California to take up seriously the principles of biodynamic farming, in 2003. He now finishes all of his products, not just the inexpensive ones, with screw-caps. He actually sold part of his brands and vineyards i…