VETERANS STAND-DOWN—Homeless veterans will be offered a variety of services, from haircuts to medical and legal assistance, at a three day "Stand Down" on the ball field of San Diego High School, 1405 Park Blvd, Friday, July 14 through Sunday, July 16. The project was begun here  in 1988 by Dr. Jon Natchison and Robert Van Keuren and has spread across the nation. (800) 729-0941.

JEWISH HUMOR—Cantor Deborah Davis will lead a program on Jewish humor at 10:30 a.m. at the Humanistic Jewish Congregation, meeting at the Women's Club of Carlsbad, 3320 Mornoe Ave. (858) 549-3088.

GUSTAV MAHLER—A documentary on Gustav Mahler, Detaching From the World, with music by Uri Caine, will be presented at 2 p.m. at the Museum of Making Music, 5790 Armada Drive, Carlsbad.  (760) 438-5996, Ext. 212. 

COMEDY—Wendy Wasserstein's comedic play, The Sisters Rosenzweig, telling of three eccentric Jewish sisters who celebrate a birthday in London, opens tonight and extends through August 20 at the Old Globe Theatre in Balboa Park.  (619)-234-5623.