If you have an interest in "Terroir American Style" then you probably, or should, have an interest in Diamond Creek wines. The vineyard designated wines of Diamond Creek made off of a relatively small parcel of land on Diamond Mountain in Napa Valley were among the first to give concrete recognition to the notion in America that different pieces of land create different tasting wines. The man who committed to this idea, Al Brounstein, died Monday after a long battle…