Lorraine McPherson, board president of Youth on Their Own, will be the keynote speaker at the annual meeting of the American Association of University Women at 11:30 a.m., Saturday, March 13. $23.60. Checks should be made out to AAUW: Tucson Branch. Reservations requests should be sent to Esther Ayers, 11904 Whispering Ridge Drive, Oro Valley, AZ 85737. The deadline for reservations is Saturday, March 6. Call 219-3005 for more information.