Mystery Sauvignon Blancs! (And a Late Supper)

I can go along with a stunt with the best of them, so when the offer came from Terlato Wines International to sample three sauvignon blancs wrapped in black paper so I would, if I wanted to, taste them blind, my response was, "Oh, sure, what the hell." Lined up on the kitchen counter, they looked sort of cool and elegant in their black habits, like mon…