The good news for increasing wine sales in the casual dining segment is that the US is presently enjoying the highest per capita wine consumption in twenty years and that the large segment of young adults (20 to 29 year olds) are showing a real interest in wine. The challenges are that core wine drinkers make up only percent of the overall adult population and that marginal wine drinkers need to be convinced to drink wine more frequently and to choose wine over beer or spirits. It is the marginal wine drinker that is most likely to.