DavidHakes,UniversityofNorthernIowa,CedarFalls,Iowa MargaretHamilton,CantonCountryDaySchool,Canton,Ohio JoyJoyce,WillowbrookHighSchool,VillaPark,Ill. JohnKarikari,U.S.GovernmentAccountingOffice,Washington,D.C. AndrewKohen,JamesMadisonUniversity,Harrisonburg,Va. ...