21.  But the district is engaged in a major effort to train its teachers on how to best teach students in the core curriculum classes, he said.

22.  CDC officials responded Wednesday that the agency was conducting a major effort to find and notify the infected individuals through tracing records on blood transfusions.

23.  Davis wants to spend the money to reduce high school class sizes instead, because the state had already made a major effort in the primary grades.

24.  Democrats in Congress on Tuesday kicked off a major effort to secure Medicare coverage of prescription drugs, one of the biggest expenses for millions of elderly people.

25.  Election night, Yowell said a major effort by organized labor made the difference for Moore.

26.  Earlier on Wednesday, Bush and his brother signed an agreement to move forward on a major effort to restore the Florida Everglades.

27.  Except for Euronext, most major efforts to build cross-border exchanges have collapsed.

28.  Facing increasing competition from AOL, the company in October launched a major effort to expand its MSN Broadband service.

29.  FBI agents on loan to the Senate committee were able to reconstruct the pipeline between Ng. and Charlie Trie, but it required a major effort.

30.  For example, the FBI says Hamas operates an intelligence network and major fund-raising effort within the United States.