Big Deal Reds from Concha y Toro; or, When Is A Syrah Like a Cabernet Sauvignon?

The point of making wines from a single vineyard or even more precisely from selected blocks within a vineyard is to highlight particular qualities of character and excellence that those locations or rows of vines theoretically embody. Such a principle is the philosophical and esthetic guiding light, for example, of Burgundy, where legendary vineyards s…