Making vodka is a 700-year-old art form that have never stopped evolving. Its predecessor was made from distilling wine and was billed almost exclusively as a medicine. For the first several centuries, vodka was a relatively low-proof beverage.Slowly, intrepid distillers set out to change that fact. This endeavor pushed vodka into the high-proof beverage we know and love today.These days, making a great vodka is a relatively well-understood enterprise...