Unquenchable

" We wine writers tend to be obsessive souls. How else can a person stay fascinated throughout a career with just one drink? Compare us to food writers: Over their lives, they'll encounter thousands of ingredients and ways of combining and cooking them. Wine, by contrast, is just fermented grapes. But it engages our primary senses-smell, taste, feel-in a way that is both hedonistic and cerebral. That's why I've spent the past several years traipsing around the world, visiting wineries, tasting their offerings, and searching for the world's best cheap wines. The narrative is as familiar as…