Patrick Rafter is gone. Actually, to state it accurately, he’s not comingback. After a year-long sabbatical from the relentless world that is theprofessional tennis tour, the genial 30-year-old Australian has decided toextend it for life, saying that neither his body nor his mind were up to it toface the rigours of competitive tennis. A distinguished career, marred byinjuries, has played out its final point, several years before it should have.