How many vintages have John Shafer of Shafer Vineyards, Boots Brounstein of Diamond Creek Vineyards, Margrit Biever Mondavi of Robert Mondavi Winery and Jim Barrett of Chateau Montelena seen in the Napa Valley? Let’s just say ‘plenty’. On February 24th 2011, this venerable quartet kept a rapt audience entertained with details of their experiences in the wine industry over the last fifty years. In this, the second of three instalments (Parts 1 and 3 are here and here), you’ll discover that Napa Valley hasn’t always been the foodie paradise it is now, meet Super Luper, and learn that Twitter and Facebook have nothing on Al’s Red Book…