Based on the popular feature in the "Saturday Wall Street Journal, " "How's Your Drink" illuminates the culture of the cocktail. Cocktails are back after decades of decline, but the literature and lore of the classics has been missing. John F. Kennedy played nuclear brinksmanship with a gin and tonic in his hand. Teddy Roosevelt took the witness stand to testify that six mint juleps over the course of his presidency did not make him a drunk. Ernest...