During my junior year at the University of Oregon I dated a guy who lived in a castle. At least we called it a castle, and to a small-town girl the place lived up to that description. Perched at the edge of downtown Eugene, the dwelling's green turret towered above the train station below. It projected an image of elegance and stately decorum toward the day-to-day business of Willamette Street. Perhaps it was the castle that charmed me in 1963 as much as the student who rente