The state can require federal agents to display identification, the judge said. The Trump administration had asked the court to block both laws, which were designed to help identify federal agents. A federal judge on Monday said that California could not prohibit federal law enforcement agents from wearing face masks unless it amended the law to also apply to state agents. But the judge did allow the state to require federal agents to display identification. Judge Christina A. Snyder of the Federal District Court in Los Angeles issued a preliminary injunction against the mask ban, ruling that California’s new law...