DESPERATE HOUSEWIVES - "Running to Stand Still" -- Lynette locks horns with an officious mom (guest star Sharon Lawrence) at the twinsÕ school who is trying to produce a Òpolitically correctÓ play about Little Red Riding Hood. Meanwhile, Susan continues to investigate the mystery of ZachÕs sudden disappearance, Mama Solis (guest star Lupe Ontiveros) comes closer to discovering GabrielleÕs dirty little secret, and Bree comes undone when Rex suggests they hire a sex surrogate, on ÒDesperate Housewives,Ó SUNDAY, NOVEMBER 7 (9:00-10:00 p.m., ET) on the ABC Television Network. (ABC/DANNY FELD) SHANNON O'HURLEY, SHARON LAWRENCE