Every Thursday I feature a wine I particularly enjoy, whether it’s something new and different, is a great value, or from a producer worth checking out.  For this week, my Wine of the Week is the 2011 JC Cellars Isabel Dusi Vineyard Zinfandel. The Winery JC Cellars (“JCC”) is an award-winning urban winery located in Oakland, CA.  Jeff Cohn is…