Wife's bites cause death, police claimBy Ty Phillips, Bee Staff Writer Modesto police said Kelli Pratt wanted her feeble 65-year-old husband to have sex with her the night of Oct. 7. When Arthur Pratt refused, police said, his 45-year-old wife held him down and bit him repeatedly during a savage attack that ultimately killed him. Arthur, whose skin was riddled with more than 20 deep tooth marks, died Sunday at Doctors Memorial Center in Modesto -- six days after the attack.Detective Sgt. Al Carter said Wednesday that Dr. Jennifer Rulon, a Stanislaus County forensic pathologist, believes that the case will...