DESPERATE HOUSEWIVES - "Nice She Ain't" - The divorce between Gaby and Carlos reaches new levels of bitterness, Lynette becomes the co-owner of a new business venture, and Susan struggles with her love for two men, on "Desperate Housewives," SUNDAY, OCTOBER 22 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/RON TOM) TERI HATCHER, NICOLLETTE SHERIDAN