Look. Swirl. Sniff. Taste. Savor. Whether you're tasting a refreshing white or an aromatic red, these well-known steps are the only proper way to take the first sip of wine. Oenophiles have never been rare, but over the past decade, wine culture has exploded. Amateur wine enthusiasts join dedicated collectors at tastings and on vineyard vacations, and young professionals pack trendy wine bars. Even Hollywood has gotten in on the action--movies like...