LAP95032108-21MAR95-LOS ANGELES, CALIFORNIA, USA: Lead defense attorney Johnnie Cochran(L) and defendant O.J. Simpson listen to testimony March21 by Brian"Kato"Kaelin as O.J. Simpson(R) smiles at some of the gestures and answers of Kaelin. Kaelin was a guest at Simpson's Rockingham mansion at the time of the murder of Nicole Brown Simpson and Ronald Goldman. UPI vv/Myung J. Chun/pool