From time to time, I receive wines samples from wineries or their public relations agencies for review.  I’ve decided to feature such samples on #WineWednesday’s. This week’s wine is the 2012 Tercero Grenache Blanc Camp 4 Vineyard. The Winery Tercero Wines is located in Los Olivos, California.  Larry Schaffer is the owner/winemaker.  Schaffer left a successful career in…