Winemakers are pulling the cork on California. Another giant in the world-famous wine growing region is shutting down and slashing staff, making it the fourth since the start of 2026. Jackson Family Wines has stopped production at its Carneros Hill facility in Sonoma’s Carneros region, laying off more than a dozen employees, according to a Worker Adjustment and Retraining Notice filed with California authorities on Feb. 12. *** Jackson Family Wines is known as one of the top US wine producers, the sixth-largest wine company in the country. *** It owns the Kendall-Jackson label and about 40 other brands, producing...