[JURIST] Carrying out his May threat to take over the California prison health care system [JURIST report], US District Judge Thelton Henderson said Thursday he will appoint an independent overseer for the medical facilities. The appointment is expected to take place at a hearing on July 8, along with a limitation of scope and duration for the oversight. An attempt by California Gov. Arnold Schwarzenegger [official website] to reorganize the prison system and designed to concentrate power and responsibility into the hands of California Youth and Adult Corrections Secretary Roderick Hickman also takes effect Friday. Hickman welcomed the judge's decision, stating that he hoped that it would provide "a sustainable solution" to problems within the system. AP has more.