Impact Napa conference honors Winiarski, tackles Napa Valley challenges, Aug. 5, 2016

Warren Winiarski, who while a winemaker at Stags Leap Wine Cellars was part of the victory of California wines at the pivotal 1976 Paris tasting, answers questions about what makes Napa Valley special and where the industry is going, at North Bay Business Journal's Impact Napa conference held at The Meritage Resort & Spa on Aug. 5, 2016. (JEFF QUACKENBUSH / NORTH BAY BUSINESS JOURNAL)

JEFF QUACKENBUSH,