Tempering Tannat

They may have seemed vaguely exotic a decade ago, but these days we take for granted the presence of Chilean and Argentine wines on supermarket shelves. Can any other South American wine-producing country achieve that level of international acceptance, and if so, which one? The answer may be Uruguay. The reason is that the country has a niche virtually all to itself, and that's Tannat?an obscure grape originally grown in southwestern France, and brought to Uruguay in 1870. If you're a winemaker, having a little-known but delicious varietal up your sleeve is no bad thing, given the constant pressure to satisfy...