21.   A similar strategy was used last year, with mixed results, to force economic changes in Russia.

22.   Administration officials hope to force changes in the bill during conference negotiations next month.

23.   But angry alumni may force a change.

24.   But before Senate Democrats can force major changes to the regulatory bill, they must survive a motion to cut off debate altogether.

25.   But Dorf freely acknowledges L.A. will force changes.

26.   But democracy is not always a friend to leaders who want to force change quickly.

27.   But even that threat may not be enough to force change.

28.   But Gifford concedes that the prices that the giants like Nationsbank have been paying for acquisitions may force a change in view.

29.   But others argue that congressional hearings will help generate enough political pressure to force change.

30.   But resistance from those counties has forced a change in strategy.