SQUIRREL HILL: Temple Sinai, 5505 Forbes Ave., hosts a nonpartisan community conversation titled "Negotiating with Enemies," at 7:15 p.m. Presenter is David Shribman, executive editor of the Pittsburgh Post-Gazette. Free, but registration is required. Call 412-421-9715.

MOUNT WASHINGTON: Grand View United Presbyterian Church, 301 Grandview Ave., holds a rummage sale from 10 a.m. to 3 p.m. today through Saturday.

SHADYSIDE: First Unitarian Church of Pittsburgh, 605 Morewood Ave., hosts a presentation by Valerie Dixon of the Center for Victims of Violence from 7:30 to 9:15 p.m., as part of the church's "Peacemakers in Pittsburgh" series addressing teen violence. To attend, call 412-621-8008.

SQUIRREL HILL: Carnegie Library of Pittsburgh's Squirrel Hill branch, 5801 Forbes Ave., hosts the free presentation, "Inner Fitness: Holistic Stress Strategies," by Deborah Barr of Whole Health Resources, at 10:15 a.m. To attend, call 412-422-9650.

OAKLAND: Richard A. Clarke, an internationally recognized expert on security, including homeland, national and cyber security, and counterterrorism, presents a lecture "Which Candidate is Better for National Security," from 7:30 to 8:30 p.m. at the University of Pittsburgh Barco Law Building's Teplitz Moot Courtroom, 3900 Forbes Ave. For more information, visit www.ridgway.pitt.edu or call Beverly at 412-624-7884.

OAKLAND: FORGEPitt, the Pittsburgh branch of the nonprofit organization FORGE (or Facilitating Opportunities for Refugee Growth and Empowerment), hosts the free 2008 Conference on Refugee Warehousing today through Sunday at the University of Pittsburgh. Today's events kick off at 6 p.m. in the Frick Fine Arts Auditorium, 650 Schenley Drive; tomorrow's events begin at 9 a.m. in Room 12, Chevron Science Center, 219 Parkman Ave.; Sunday's events start at 9:30 a.m. in Frick auditorium. There are world-renowned speakers, break-out sessions, documentaries and brief presentations. For more information or to register, visit www.refugeeconference.org.

DOWNTOWN: The Dad's Pet Care Pittsburgh Pet Expo is held from 10 a.m. to 6 p.m. today and from 11 a.m. to 5 p.m. tomorrow. It includes high-energy performances by America's Best Frisbee Dogs, a Basics of Animal Communication seminar, adoption opportunities from local animal shelters and breed rescue groups, and much more. Pets on a leash are welcome to attend and participate in activities such as a pet costume contest and photos with Santa. Admission is $8 for adults; no cost for children age 12 and younger. For more information, visit www.PittsburghPetExpo.com.

EAST LIBERTY: Greater Pittsburgh Literacy Council holds a workshop from 9 a.m. to 4 p.m. today and Oct. 18, at East Liberty Presbyterian Church, 116 S. Highland Ave., for volunteers interested in learning to tutor non-natives in English as a second language. No foreign language experience is necessary. For details or a registration form, visit www.gplc.org or call Peggi at 412-661-7323.

EAST LIBERTY: Zaineb Alani, an Iraqi poet and activist, is keynote speaker at the Conference & Action to End the War in Iraq, held from 9 a.m. to 4:30 p.m. at the Shadow Lounge, Baum Boulevard and Highland Avenue. The event is sponsored by the Thomas Merton Center. For more information or to register, visit www.oct11.org.

HIGHLAND PARK: Women of Pittsburgh 2000 and the Coalition for Christian Outreach co-sponsor the annual Walk for Racial Harmony at 8:30 a.m. at the Pittsburgh Zoo & PPG Aquarium. Anyone interested in participating is to arrive by 8 a.m. Registration is $15 for adults, $7 for youths ages 11 to 18, free for children age 10 and younger.

OAKLAND: The Western Pennsylvania Genealogical Society hosts a presentation by Michael Dabrishus, assistant university librarian for Archives, Special Collections and Preservation, from 10 a.m. to noon at Carnegie Library of Pittsburgh Lecture Hall, 4400 Forbes Ave. Mr. Dabrishus gives an orientation to collections held at the university Archives Service Center. Free admission. For more information, visit www.wpgs.org or call 412-687-6811.

OAKLAND: Artist Mark Bradford speaks at 4 p.m. at Carnegie Lecture Hall, 4400 Forbes Ave., as part of the free Carnegie Mellon School of Art Lecture Series. For more, call 412-268-2409 or visit lectureseri.es.

OAKLAND: The Verizon Wireless Strides Against ViolencE (or SAVE) Walk begins at 11 a.m. at Flagstaff Hill in Schenley Park.