21.   Recruiting volunteers requires more than preaching from the bully pulpit.

22.   Scientists at St. Lukes Hospital, which recruits volunteers to eat under scientific scrutiny, are trying to do just that.

23.   Sliwa and Angels from London and Berlin spent five days meeting with officials and trying to recruit volunteers in parks and subway stations.

24.   So far, they are just one-sixth of the way toward recruiting enough volunteers.

25.   The association has been helping Pivotal recruit volunteers, who pay nothing to participate in the study.

26.   The AmeriCorps workers will be used to recruit these volunteers.

27.   The company is also recruiting volunteers, who have the potential to be transformed into passionate fans.

28.   The constant presence of the cameras has been a big help in recruiting campaign volunteers.

29.   The Sweeneys have recruited volunteers over the Internet and during media appearances.

30.   The Tucson-based foundation recruits volunteers for protecting nests on beaches of the Mexican state of Nyarit.