SHOWS: GRAPEVINE, HOME FIRES, ON THE AIR
TIME: CBS, MONDAYS, 9:30 P.M.; NBC, SATURDAYS, 8:30 P.M.; ABC, SATURDAYS, 9:30 P.M. (ALL EDT)
THE BOTTOM LINE: Touch that dial! Three new summer shows could drive you back to those boring old reruns.
The Big Three networks may be having their problems, but they still know how to play the p.r. game. This summer has been heralded as the most active and creative in years: an unusually large number of new series are being offered instead of reruns. Many of them are offbeat entries, which, we are assured, are getting special treatment by...