31.   But Brownback fired back with an aggressive campaign.

32.   But eliminating cigarette billboards and undertaking aggressive anti-smoking campaigns could prevent the cancers before they start.

33.   But even as Barbour met with Republicans to lay out an aggressive congressional campaign against Clinton, there were continuing signs that Dole had problems within his own party.

34.   But Jeb Bush has come on strong with an aggressive campaign and a hard-edged conservative message.

35.   But Packwood angered his colleagues over the August break, when he mounted an aggressive campaign to vindicate himself and announced that he wanted public hearings.

36.   But unless the rules are drastically tightened, aggressive campaigns to reach consumers are expected to continue, even though many physicians object.

37.   But Weiss ran an aggressive campaign, painting Hayden as a career office-seeker, and matched his spending in the runoff.

38.   But will he continue an aggressive campaign or fade under pressure from the party elite?

39.   Charles and Karen Haley have embarked on an aggressive campaign to find a donor and to increase the number of minorities on the National Marrow Donor Program registry.

40.   City officials responded with a huge expansion of the police force and an aggressive campaign against street dealers and people carrying concealed guns.