21.   But in subsequent negotiations, they opposed efforts by some Democrats to limit the prices that could be charged for imported drugs.

22.   But it opposes any effort by physicians to help them obtain illegal drugs.

23.   But it remained unclear whether Dole, if elected president, would oppose efforts by others to overturn it.

24.   But others opposed the effort, fearing that it would expose intelligence sources and spur public criticism of the administration as anti-Muslim.

25.   But Phillips said he would oppose efforts by the leagues to impose weight standards for umpires if they wanted to do so.

26.   But the Association of Trial Lawyers of America, which successfully opposed caps on legal fees in other legislative battles, said they would oppose this effort as well.

27.   But Tang resigned several weeks ago, in part because he opposed efforts to halt the nuclear plant.

28.   By early this year, the battle lines over legislation cutting legal immigration were drawn, with an alliance of conservative and liberal groups opposing the effort.

29.   By contrast, the bishops took a generally more liberal stance on social and economic issues, for example opposing efforts to curb immigration and reduce welfare benefits.

30.   Canadian officials have strenuously opposed congressional efforts to require documentation for each entry and exit, saying such controls would disrupt travel and trade.