Great Cheap Malbec and Bonarda from La Rioja

That's a trick headline. I'm not talking about Rioja, as in one of Spain's most ancient and notable wine-producing regions, but La Rioja, the oldest of Argentina's vineyard and winemaking areas known principally for white wines from torrontes and muscat of Alexandria, though recently there have been plantings of red grapes. Lying to the north of the far…