11.   But recent defense deals between Pakistan and China have U.S. leaders worried.

12.   Protestant evangelical churches in Central America have surged in membership in recent years, worrying Catholic leaders.

13.   That would drive up costs, and financing has worried Ukrainian leaders.

14.   The current coalition is proving as fractious as previous groupings, worrying business leaders.

15.   The political uncertainty had paralyzed government and worried business leaders.

16.   The sell-off plan worried union leaders, who fear it will cost jobs.

17.   The winner faces Republican Attorney General Dan Lungren, whose shaky start has some Republican leaders worried about the November primary.

18.   Worrying many leaders, including Moi, is whether a military action could succeed, and if not, then what?

19.   With his long record of opposition to foreign aid, Helms is the new congressional power who worries foreign leaders the most.

20.   Worrying many leaders, including Moi, is whether a military action could succeed.