Later this month, Roman Roth, the winemaking talent behind the wines of Wolffer Estate, Shinn Estate Vineyards and Roanoke Vineyards, will show off his garagiste side. Translated from French garagiste literally means “garage owner," but in the world of wine, it’s used to describe a winemaker who produces small lots of high-quality, handcrafted wines – sometimes right in his or her own garage. And while Roth didn’t make his private label — Grapes of Roth — in his garage, he’s embraced the garagiste philosophy, crafting fewer than two hundred cases of his 2001 Grapes of Roth Merlot ($50). Roth grew…