As movie after movie offers ever more explicit sex, their teasing ads continue to nudge the boundaries of good taste. On the Los Angeles Times, those perimeters have been patrolled for the past four years by a two-man screening board that has let few slips show. Now the Times is determined to mount a tougher guard than ever.
Henceforth, decreed Assistant Display Advertising Manager Marvin Reimer, 52, the Times will reject all copy or pictures dealing with "burlesque, bust measurements, couples in bed, excessive cleavage, horizontal embrace, nude figures or silhouettes, nymphomania, promotional...