By Lenn Thompson, Founder and Editor-in-Chief In the hotter, riper years, one of my favorite local cabernet francs almost always comes from Raphael, where winemaker Richard Olsen-Harbich eschews oak completely with his franc. Of course without oak, the fruit is forced to stand alone. You can't cover up underripe fruit. Without oak, you can taste the season — good or bad. I found the 2006 vintage of this wine, from that cool, rainy growing season, thin and underwhelming. Not so with this Raphael 2007 Cabernet Franc ($16), made from fruit grown during what might be the best one ever for…