21.   The complaints only heightened interest in Mfume as a problem solver once the mayor announced in December that he would not seek a fourth term.

22.   The economic collapse had heightened interest in the election.

23.   The landing of the Mars Pathfinder robot in July has heightened interest in a manned mission.

24.   The realization of that has heightened the interest in prevention.

25.   The recall last week of Kraft Taco Bell taco shells made with genetically modified corn not approved for human consumption has heightened interest in such labeling.

26.   The reports of the spread of what is known as mad cow disease in Britain have heightened their interest.

27.   The shootings at Columbine High School in Littleton, Colo., have heightened interest in the event this year.

28.   Theurkauf said the acquisition will heighten interest in other thrifts, including Golden State Bancorp Inc.

29.   To heighten interest in his recitals, he took the stage wearing doeskin gloves and demonstratively removed them finger by finger before beginning to play.

30.   You could use more than one type to heighten interest.