41.   But Bush has spent little time talking about the widespread poverty along the border, even as his opponents have tried to make it a campaign issue.

42.   But critics say political considerations, including a Democratic desire to deprive Republicans of a campaign issue, are triumphing over scientific truth.

43.   But despite the national attention paid to the campaign finance issue, for many Wisconsin voters, that subject seemed to have little impact on how they voted.

44.   But Dole aides also said that they did not need to fuel the story or pump it up as a campaign issue.

45.   But Democrats have been forced into supporting income-tax cuts to keep the Republicans themselves from having a strong campaign issue.

46.   But Democrats say that each defeat handed them a campaign issue.

47.   But because the question of rulings from the bench and judicial selection have become campaign issues, the remarks of Rehnquist took on added resonance.

48.   But his rapid change of heart this month could mean that his advisers sense they are potent campaign issues.

49.   But despite the prominence of issues like school choice in the presidential campaign debate, he said he hoped that school construction would not become a campaign issue.

50.   But even that has turned into a campaign issue.