SCRKIINnSaccharin SobsnPlaces in the Heart; Written andnDirected by Robert Benton; Tri-StarnPictures.nby Stephen MacaulaynRobert Benton is the man behind Stillnof the Night and Kramer vs. Kramer.nPlaces in the Heart, his latest film, is setnin a small Texas town during the Depression.nThe subject---like Kramer vs.nKramer---^is . . .