GETTING TO THE HEART OF IT

Testimony began in the most gruesome phase of theO.J. Simpson trialas Los Angeles County Coroner Lakshmanan Sathyavagiswaran showed jurors samples of Nicole Brown Simpson's fingernails and hair in preparation for showing the bloody crime scene photos of her and Ronald Goldman. Simpson looked markedly uncomfortable as Sathyavagiswaran discussed how the murder knife created the multiple stab wounds found on the bodies. The coroner's testimony came as two alternate jurors were seated to replace the ones dismissed yesterday.O.J. Central