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…