FILE - In this March 5, 2009 file photo, Michael Jackson announces 

FILE - In this March 5, 2009 file photo, Michael Jackson announces several concerts at the London O2 Arena in July, at a press conference at the London O2 Arena. Jackson's longtime makeup artist tearfully described to jurors in a Los Angeles courtroom on Thursday, May 9, 2013, the singer's struggles with back pain and insomnia after suffering injuries during his career. Witness Karen Faye also recalled how Jackson's reliance on medications coincided with the first time he was accused of child molestation in the early 1990s. (AP Photo/Joel Ryan, file)
Associated Press
FILE - In this March 5, 2009 file photo, Michael Jackson announces several concerts at the London O2 Arena in July, at a press conference at the London O2 Arena. Jackson's longtime makeup artist tearfully described to jurors in a Los Angeles courtroom on Thursday, May 9, 2013, the singer's struggles with back pain and insomnia after suffering injuries during his career. Witness Karen Faye also recalled how Jackson's reliance on medications coincided with the first time he was accused of child molestation in the early 1990s. (AP Photo/Joel Ryan, file)
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