You've stumbled upon a purveyor of a palate-boggling array of flavors. His shelves offer everything from sweets to spices and herbs to fruits. A few different coffee choices are thrown in to boot. But you're not in a sweets shop, a delicatessen or even a tricked-out Starbucks. What you've entered is a bar, and this fantastic taste spectrum is all bottled as vodka. Wine Spectator's Jack Bettridge explains.