Kathryn Hall knows how to throw a party. Maybe it’s because she spent four years as the United States Ambassador to Austria during the Clinton administration. But I think she just loves to have fun and enjoys seeing her guests have a great time. This past weekend at Hall Wines in Napa Valley, the scene was literally set in red – huge red sofas placed everywhere in a large grass courtyard. I thought they were leather at first, but they are actually some sort of inflatable material. Fun, clever and definitely eye-catching. You could also play I Love Lucy and stomp on freshly picked Merlot grapes that will go into making wine. My feet are in the 2014 Merlot. I’ll have to get a bottle when it is released. We were all at Hall for the release of the 2011 Kathryn Hall Cabernet, her top-of-the line signature wine. It’s a blend of…