21.   Price still goes through a bit of a mood change when the subject is brought up.

22.   Suddenly the mood changes.

23.   Supporters of the set-point idea agree that people can have deep mood changes for the worse after a serious trauma or loss.

24.   Symptoms are memory loss, disorientation, language and judgment problems and mood changes.

25.   The mood change was vivid Wednesday.

26.   The mood changes daily at SCD Software Corp. depending on how well Microsoft Corp. is faring in its antitrust clash with the U.S. Justice Department.

27.   The mood change goes more than billboard deep.

28.   The mood changes that it signals from scene to scene are remarkably effective, as if the audience were migrating from one club to another during a night out.

29.   The two parties predictably blame each other for the mood change.

30.   Then the mood changes.