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Los Angeles Superior Court Judge Michael Pastor has barred Dr. Conrad Murray's defense team from using allegations that Michael Jackson molested children in Murray's manslaughter trial.

The defense will also not be allowed to call Jackson's dermatologist to the witness stand.

Pastor said both the molestation trial talk and the dermatologist (Arnold Klein) would be distracting and misleading for the jury. The defense claims that Klein gave Jackson the painkiller Demerol and Jackson was withdrawing from it when he died in 2009.

Jackson died of an overdose of the anesthetic propofol complicated by additional meds.

Meanwhile, Janet, Jermaine and Randy Jackson have confirmed that they will not attend an upcoming tribute concert in Cardiff, Wales, later this year. Find out why after the jump.