21.   But simply because both Democrats and Republicans have used the soft-money loophole to run campaign ads throughout the country does not make it right.

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 this campaign style ad oversimplifies the complicated debate over the effects of NAFTA.

24.   Candidates complain they are often the victims of campaign ads masquerading as issues advertising, and that they have no way of knowing who is behind them.

25.   Campaign ads are supposed to be paid for with hard money.

26.   Campaign ads and appearances have been paid for, in a limited fashion, by the Republican National Committee.

27.   Clinton has been shunned by Democratic candidates in some parts of the country, a few even running campaign ads critical of his policies.

28.   Davis attacked Feinstein in campaign ads, likening her to wealthy hotelier and tax evader Leona Helmsley.

29.   Earlier in the day, he released a campaign ad to the same effect.

30.   Experts in the media consulting industry agree that funny campaign ads have become the hot trend these days.