21.   But in his report, Butler said major gaps in knowledge of key Iraqi weapons programs remain.

22.   Experts say the discovery fills a major gap in human evolutionary history.

23.   In addition, UNSCOM head Richard Butler said major gaps remain in knowledge of key Iraqi weapons programs.

24.   In his report, the chief U.N. inspector, Richard Butler, said major gaps in knowledge of key Iraqi weapons programs remain, especially biological weaponry.

25.   Murdoch had been outspoken about his interest in acquiring Hughes, which would fill a major gap in the coverage area of his existing satellite network.

26.   Murdoch has been outspoken about his interest in acquiring Hughes, which would fill a major gap in the coverage area of his existing satellite network.

27.   The difference between the two is significant, and represents a major gap that NATO and Belgrade will have to bridge.

28.   The INS has acknowledged major gaps in tracking foreign students.

29.   The tax would have filled a major gap in the future funding equation.

30.   Commission sources said the report would outline major gaps in the area of biological weapons.