Merlot Magic in Napa with Hourglass

There's a reason that Merlot is the basis for one of the world's most expensive wines (Pétrus): when it's good, it's darn good. Meet Jeff Smith of Hourglass in Napa Valley and learn what goes into making darn good Merlot and how they mature.

Tags: Napa, Merlot, How Wines Mature