71.   But efforts by Buchanan and Alexander to shift to a national campaign strategy may be hampered by a shortage of cash.

72.   But ExciteAtHome spokeswoman Melissa Walia says the company simply prefers to use the Excite name for national branding campaigns to promote all its services.

73.   But Bradley has actually been laying the groundwork for a national campaign for more than a decade.

74.   But Bush obviously fears that all the talk about a possible national campaign will damage his re-election bid.

75.   But it would be another seven hours before the national campaign took decisive action to deal with ballot confusion.

76.   But most of the campaigns found they did not have the money to wage national campaigns.

77.   But national Republican campaign strategists are betting otherwise.

78.   But something more than the multi-million-dollar apparatus of two national campaigns was now to be dismantled.

79.   But something more than the multimillion-dollar apparatus of two national campaigns was now to be dismantled.

80.   But the tobacco companies rebelled and began a national advertising campaign against the bill said to cost tens of millions of dollars.