Show Business: Gremlins in the Rating System

Two hit films raise new concerns about protecting children

Ah, summer: that blithe season when the latest Steven Spielberg movies are in full bloom at the nation's theaters. Fantasy, fun and lighthearted adventure for all, right? Well, this year it depends on one's idea of fun. In Indiana Jones and the Temple of Doom, Spielberg's slam-bang sequel to Raiders of the Lost Ark, a man's heart is ripped out of his chest in a ritual sacrifice, and he is lowered alive into a pit of molten lava. In Gremlins, a fantasy co-produced by Spielberg and...