Every winter, just as the yellow mustard flowers reach their peak of brightness between the vineyard rows, the Symposium for Professional Wine Writers gets under way in Napa. Now in its twelfth year, this gathering was conceived as a way to build community among peers, and to further the craft of wine writing. While the conference’s attendees have mainly consisted of American wine writers, it has begun to attract participants from around the world. This year’s event, held in mid February, played host to a minor British invasion of wine writers, a presence that added both an international perspective as...