Tamera West slouched in an easy chair, watching an old Tarzan repeat on the television and eating an apple. Her thoughts werent on the screen, but on her date for that night, Eddie McDonald, a big, handsome boy, with craggy features like James Colburn — only younger, of course, Eddie was going to be a senior when school started again, (but sadly, he was going to be bussed to another district. Still, there was the rest of the summer to see him, and who could tell what would happen by September?) Shed only been out with him once, last Saturday night, on a blind date arranged by her best friend, Nancy Cannon, whose steady boyfriend Jason, had brought Eddie along. And wow!