Credit: ST. HELENA, CA - SEPTEMBER 25: Vineyard worker Eziekel Pacheco uses a knife to cut zinfandel grapes from a vine at Tres Sabores Winery September 25, 2009 in St. Helena, California. Tres Sabores, a certified organic winery, has strated to harvest their grapes for the 2009 vintage as wineries throughout the Napa and Sonoma Valleys begin to harvest and crush grapes. (Photo by Justin Sullivan/Getty Images)
All-American zinfandels for an all-American Fourth of July
