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 […]