21.   Some hospitals prohibit having long nails, but there is no uniform policy, in part because some experts believe that more evidence is needed before imposing national rules.

22.   Speaking in Denver, he accepted the award while noting that more compromise is needed before the process delivers a lasting peace.

23.   Supporters of the amendment said they want to insure that Congress receives all the information it needs before deciding to close bases.

24.   Supporters of delaying a vote on the bill said more information is needed before a decision to ban it.

25.   The flaws appear mostly in plot and characterization, two knacks Bogosian has not particularly needed before now.

26.   The last thing Boston College needed before hitting the road for its longest trip of the season was an upset loss.

27.   The parental consent law makes sense, for example, because doctors need permission before operating on minors for most medical procedures, Herod said.

28.   The trials will take years to complete and are needed before the Food and Drug Administration can approve the test for diagnostic or screening use.

29.   The statement says that further research about the long-term effects of stents is needed before recommending their widespread use in angioplasty.

30.   Turner argued it is too early to condemn hatcheries, and that state studies under way or planned will provide data needed before any cutbacks are ordered.