Wine of the Day, No. 84

Napa Valley's Somerston Wine Co. encompasses three labels: Somerston, Priest Ranch and Highflyer. Today we look at the Priest Ranch

Grenache Blanc 2013, from a grape not commonly found in Napa Valley. The wine was fermented by native yeasts -- that is, yeasts naturally occurring on the grapes, rather than inoculated in the winery -- in stainless steel dr…