(BizJournals) - Despite grape and labor shortages, many in the wine industry in California are predicting continued growth and prosperity, according to two surveys by the University of California Davis. Findings from the surveys of wine executives and winemakers were presented Tuesday at the Wine Industry Financial Symposium in Napa. “Industry leaders agree that while the somewhat giddy wine-buying days of 2006 and 2007 are not likely to return in the near future, there remains a strong and growing consumer base for California wines,