21.   But the negative campaign may have boomeranged.

22.   But there is something attractively lurid about an anti-endorsement, which like a negative campaign ad often lingers in the mind after the cheerleading has faded.

23.   But while voters in South Carolina concluded that McCain was behind a more negative campaign, voters here said Bush was slightly more negative.

24.   Cellucci people say Malone is destroying the Republican party by waging a negative campaign against the acting governor.

25.   Convention officials indicated they were loath to risk marring their purposely upbeat display of playing nice by giving prime time to a candidate engaged in a negative campaign.

26.   Each candidate accused the other of conducting a negative campaign.

27.   Each Democratic presidential candidate accused the other of conducting a negative campaign, and Bradley even raised the specter of President Richard M. Nixon.

28.   Even a spate of negative campaign advertising this week failed to raise the campaign temperature here.

29.   Even as he vowed to run harder and disavowed any sort of negative campaign, Brown could not resist one more jab.

30.   Gore deftly forced Bradley into a more negative campaign than Bradley had vowed to run.