An essential defense of the people the world loves to revile -- the loners -- yet without whom it would be lost The Buddha. Rene Descartes. Emily Dickinson. Greta Garbo. Bobby Fischer. J. D. Salinger: Loners, all -- along with as many as 25 percent of the world's population. Loners keep to themselves, and like it that way. Yet in the press, in films, in folklore, and nearly everywhere one looks, loners are tagged as losers and...