Five of the most likely buyers of California's premier wine brands gathered in Santa Rosa on Thursday to discuss the future of the industry.They sat on a podium in a hotel ballroom like prize fighters before the championship fight, all five of them answering questions and explaining how they plan to conquer a slice of the wine industry. Bill Foley, owner of Foley Family Wines and probably the most active buyer, explained he was looking for hard assets like wineries and vineyards — not just virtual brands