Film producer Jerry Weintraub will screen his new HBO film about Liberace, "Behind the Candelabra," tomorrow at the Palm Springs Convention Center. Screenings are scheduled for 4 and 7 p.m. in the Primrose Ballroom, and popcorn, candy and beverages will be available, according to city Director of Communications Amy Blaisdell. The film contains adult content and is not appropriate for children.