The evolution of To Kalon Vineyard is a prime example of how valued Cabernet Sauvignon is in Napa Valley. To Kalon has been an important source of the valley's signature wine, dating to the 1880s, and its modern history illustrates what happens when a large, grand cru-level vineyard is mined for its sweetest spots. It also helps explain the proliferation in the number of individual bottlings from Napa, as well as rising prices. Wine Spectator's James Laube explains.
From the Nov 15, 2012, issue