Bill Cosby is back in court today challenging some evidence the prosecution wants to use at his upcoming June trial for a 2004 alleged sexual assault of Andrea Constand. A flurry of motions filed last week by both sides include whether the jury will learn that Cosby made admissions in his book published in 1991 about drugs and women. There is likely to be heated argument on this point as the defense argues that the judge already ruled on prior bad acts and is permitting only one other accuser to testify. But, the Commonwealth argues that admissions–Cosby’s statements–are not accusations by other women so the jury should hear what Cosby wrote years ago. In particular, on page 8, paragraph 5, the Commonwealth states: In defendant’s 1991 book “Childhood,” he recounts a memory from his youth. In it, he and his…