World's Top Wine Experts Tour California

NAPA, CA - OCTOBER 4: More than 30 of the world's top wine experts tour Northern California's wine regions of Napa Valley and Sonoma County in what was billed as the California Wine Summit on October 4, 2013, in Napa, California. Hosted by the San Francisco-based Wine Institute, the influential wine buyers and critics represent a growing multi-billion dollar global business. (Photo by George Rose/Getty Images)