71.   But because the agreement represents the settling of lawsuits and does not require congressional approval, it does not include measures like nicotine regulation.

72.   But before he heads to Miami, he hopes to earn congressional approval of the comprehensive international treaty called the General Agreement on Tariffs and Trade.

73.   But controversy has surrounded that proposal, which is subject to Congressional approval.

74.   But Clinton -- in search of an election-season fillip and without obtaining congressional approval -- was dead set on sending American troops to Haiti.

75.   But he has been unable to win congressional approval of legislation to create a Free Trade Area of the Americas.

76.   But he would not seek congressional approval, his spokesman Joe Lockhart said, arguing that such a step would raise a host of constitutional questions.

77.   But if congressional approval depends on legisators like Markey, as Grossman says, then much work remains for proponents of advertisements on public television.

78.   But in exchange, Gorton would halt all consideration of altering any dams on the Columbia or Snake rivers without congressional approval.

79.   But in Wyoming, where vast reserves of natural gas are under federal control, congressional approval typically is not needed.

80.   But Jacobs said that any deal involving the use of facilities at the Johnson center or the habitation quarters on board the space station would require congressional approval.