Wine tasting can be an occasional pleasant diversion or a time-and-resource-consuming passion. It can be conducted casually or formally. Most American wine drinkers cheat themselves by not knowing how to taste; many talk the talk but fail to walk the walk, so a lot of ordinary-tasting wines gets sold at extraordinary prices. Wine tasting is actually a complex proposition involving much more than simply sipping some fermented grape juice. There are many variable factors that affect an individual’s perception of flavor in wine. There are chemical, physical, mechanical, physiological, and psychological [ ... ]