21.   Quarterback Troy Aikman says December brings not only cooler temperatures and incessant holiday Muzak, but also a heightened sense of energy as the playoffs near.

22.   She repeatedly discusses his hairy body, his heightened sense of smell, his voracious appetite for raw meat.

23.   She said many victims, especially children, will feel a heightened sense of anxiety and loss of security as the days and weeks go by.

24.   The combination gives a heightened sense to everyday concerns, with tremendously moving results.

25.   The earthquake, she said, has left her bitter over how government agencies handled things and with a heightened sense of vulnerability.

26.   The heightened sense of vulnerability has spurred many people to action.

27.   The entire district is under a heightened sense of alert, Willman said, with security patrols increased and crisis teams searching all buildings.

28.   The episode was among several in recent days showing a heightened sense of vigilance over unusual occurrences in the air.

29.   The lobbying effort has taken on a heightened sense of urgency as many interest groups scramble to claim a portion of the federal budget surplus.

30.   The ships in the Fifth Fleet were under a heightened sense of alert, Clark said.