By Evan Dawson, Managing Editor The Wild Vine is not, at its core, a wine book in the most common sense. It is a story of outsiders, connected over the generations by a common sense of purpose and discovery. And like The Billionaire's Vinegar, it is such a compelling work of narrative nonfiction that I have reccomended it to friends who don't care much for wine. But if you do care for wine, Todd Kliman's book takes on an added weight. And if you care for American wine, it becomes essential reading; the fact that it's gripping and well paced…