21.   But all those measures have flaws.

22.   Bureaucrats have their hands tied until after the elections and unless an extraordinary session of parliament is convened, any stimulus measures will have to wait until this fall.

23.   But before those measures had a chance to take root, residents were impatient for quick results.

24.   But environmentalists and other supporters of growth controls say there is little proof that such measures have any significant impact on housing prices.

25.   But Hunter said such measures would have to be considered carefully, because they might worsen a tendency toward eating disorders in some adolescents.

26.   But if it survives that test, the measure could have a huge impact on the Los Angeles Unified School District and other public school systems.

27.   But if final spending disagreements are not resolved, another temporary spending measure would have to be passed to keep federal departments and agencies functioning.

28.   But he and a handful of other opponents put up only a half-hearted fight, knowing that the measure had broader bipartisan support as well as popular political appeal.

29.   But others, like Jeff Tittle of the New Jersey chapter of the Sierra Club, believe the measure has the potential to let polluters off the hook.

30.   But opponents say the measure is already having negative effects.