THE most lurid testimony to be heard in Michael Jackson's looming child molestation trial could concern the bizarre appearance of his penis. Private investigator Ernie Rizzo, who was hired by the family of the boy who accused Jackson of molestation in 1993, predicts that Jackson's latest alleged victim could provide damning testimony about the pop oddball's uniquely marked manhood. Rizzo, a former Chicago police detective who has seen photographs of Jackson's genitals taken by cops in 1993, claims that because Jackson "bleaches" his body twice a week, distinctive markings on his penis are visible when he is aroused. "It looks...