An autopsy on entertainer Michael Jackson has been scheduled for Friday and results are expected by afternoon, according to the Los Angeles, California, coroner’s office. The “King of Pop,” who was preparing for a comeback tour, died Thursday at age 50. Jackson, under apparent cardiac arrest, was taken from his home by paramedics to Ronald Reagan UCLA Medical Center, where a team of physicians tried to resuscitate him for more than an hour, said Jackson’s brother Jermaine