How do you draw visitors to a winery?Most marketing people will tell you that a good visible location next to a main road is the key.Evergreen Agricultural Enterprises (EAE) in McMinnville, Oregon is going one giant step further: It has added one of the world's most famous airplanes to the picture.Back in 1985 Evergreen Aviation International, Inc., which was founded by aviator and humanitarian Del Smith in 1960, began diversifying its operations with the purchase of a wholesale nursery. Through the years, other crops such as Christmas trees, grass seed and hazelnuts were added.But it's EAE's relatively recent decision to add a winery to the corporation that is drawing most of the attention these days.Locating the winery on company-owned la...