[JURIST] California Governor Jerry Brown [official website] submitted a plan [press release; materials] Tuesday to reduce the state’s prison population by over 30,000 inmates to satisfy a court order [opinion, PDF; JURIST report] to reduce prison overcrowding [JURIST news archive]. The plan is a response to the Supreme Court’s decision in Brown v. Plata [Cornell LII backgrounder; JURIST report] to uphold a federal three-judge panel order that California reduce its state prison population to within 137.5 percent of institutional design…