21.   But death-penalty opponents see subtle changes in public opinion lurking beneath such data.

22.   But even the more subtle changes in the candidate field are remarkable.

23.   But in the last hour, subtle changes occur in her behavior.

24.   But Lee cautioned that observers should not lose sight of the subtle changes that gradually have cut back democracy and autonomy.

25.   But some experts claimed it showed how even subtle changes in approach could strain ties.

26.   But subtle changes in official announcements and news in Yugoslavia have led journalists and analysts to suspect that Milosevic may be preparing Serbian public opinion for a settlement.

27.   But subtle environmental changes may be responsible.

28.   But the Giants have apparently changed that philosophy by making subtle changes in the way they approach the draft.

29.   But the subtle changes she brings to them reward close contemplation.

30.   But there are numerous, more subtle changes.