[JURIST] Proponents of Proposition 8 [text; JURIST news archive], California’s same-sex marriage ban, on Monday urged the Supreme Court of California [official website] to allow them to defend the measure [brief, PDF] when state officials refuse to do so. Last month, the court announced that it would decide the critical procedural issue [JURIST report] to determine if the pending federal appeal of the invalidation of Proposition 8 can continue. The US Court of Appeals for the Ninth Circuit [official website]…