At the last moment, a cackling, seething coven of waitresses at a local Chi Chi's was alerted to restaurant patron Jim Alea's 32nd birthday Monday. 'Happy, happy, happy, happy, happy birthday, to you,' shrieked the aproned harpies in a 20-second chant which, according to one witness, 'seemed to flare out into a thousand eternities.' Alea grimaced in horror at the fast-clapping she-demons before slumping under the weight of a 25-pound Chi Chi's 'birthday sombrero.' 