Sloan + Parker is honored to have Washington’s longest-tenured winemaker, Rob Griffin, founder, co-owner and head winemaker of Barnard Griffin, join us for our latest virtual wine tasting event.   Known as the “Godfather of Washington Wine,” Rob will be joined by Tom Champine, regional manager of Barnard Griffin to lead us through the tastings.   We fell in love with Rob’s wines from our first tasting. They are truly one of the S+P staff’s favorite Washington producers. As always,…