HAPPY HUMPDAY PRAGOBOTS! We continue our series on African American Winemakers with... MAC MCDONALD Vision Cellars Sonoma Valley, California From "A Vintner's Vision", SF Chronicle May 2008: Spend 10 minutes visiting with Mac McDonald, and within the same breath he'll likely pontificate on his favorite wine grapes and a recent visit to Harlem. To the … [Read more...] about Wednesday Open Thread: African American Winemakers