NORRISTOWN >> Bill Cosby's lawyers want jurors to hear deposition testimony from an uncooperative witness they say sheds light on Andrea Constand's motive for accusing the comedian of drugging and molesting her.Cosby's lawyers said in court papers Thursday that the woman who gave the testimony, Constand's good friend Sheri Williams, has not responded to attempts to subpoena her to testify at Cosby's retrial.