DESPERATE HOUSEWIVES - "The Gun Song" - The ladies of Wisteria Lane meet Susan and Mike's new baby, on Desperate Housewives," SUNDAY, MAY 18 (9:00-10:00 p.m., ET) on the ABC Television Network. (ABC/RON TOM) MARCIA CROSS, EVA LONGORIA PARKER, FELICITY HUFFMAN, TERI HATCHER