Ehlers Estate winemaker Laura Díaz Muñoz and wine educator Peg Melnik to host exclusive wine dinners and educational seminar on the 7-night river cruise through Bordeaux (November 8, 2019; Saint Helena, Calif.)—Laura Díaz Muñoz, winemaker of Napa Valley’s esteemed Ehlers Estate winery, is inviting wine lovers to join her on a 7-day wine-filled river cruise ?