1.   The school security specialists also want local law enforcement officials and school administrators to improve their cooperation to stem the violence.

2.   American intelligence agencies must also improve cooperation with foreign counterparts.

3.   After the hearing, Rep. Jane Harman of California, the ranking Democrat on the new subcommittee, said she thought that legislation could improve cooperation among agencies.

4.   But, above all, the certification process has had no impact on improving international cooperation.

5.   Chinese leaders apparently decided to expel Wu less as a human rights concession than as a gesture to improve cooperation with the United States on other matters.

6.   In a month, the president is going to China, where he hopes to improve space cooperation with Beijing.

7.   The government has also moved to centralize oversight of intelligence agencies that had been largely run by the states and to improve cooperation with the local police.

8.   The Mexican and Cuban government have signed an agreement aimed at improving cooperation on nuclear issues.

9.   They plan to sign an agreement on Thursday limiting the number of troops near the border and improving cooperation between them in the hope of preventing any incidents.