We are all familiar with California Cabernet Sauvignon, Oregon Pinot Noir, and Washington Riesling.  But how about Pennsylvania Grüner Veltliner?  With almost 150 wineries, and over 12,000 acres under vine, Pennsylvania is searching for it’s “signature” grape varietal.  In an effort to draw more attention to their wines, they are strongly considering both Cabernet Franc, and Grüner Veltliner as their signature...