71.   But in states such as his own, the issue is still a subject of political debate, a source of controversy over costs and funding.

72.   But it is a message with broad appeal that reaches beyond the political debate, deep into a poor and exhausted society.

73.   But it has an taken on a far greater importance in the political debate.

74.   But meanwhile he is allowing Gingrich and his people to define the political debate, often in misleading terms.

75.   But in doing so, they acknowledged, they created a void that allowed the most strident anti-smoking advocates to seize the political debate.

76.   But some of those disputes go unresolved not because of problems with the beleaguered railroad itself, but because of political debates unrelated to Amtrak.

77.   But most other OPEC countries preferred not to risk being cast as villains in American political debate if oil prices remain high.

78.   But Tan is clearly uninterested in joining the political debate.

79.   But the political debate is often muddied because all sides say they want privacy rights for consumers.

80.   But Stone, who has fine-tuned his book for this production, knows how to turn political debate into pleasurable, and remarkably lucid, spectator sport.