LOS ANGELES (AP) - The federal government's case against three Chinese immigrants first accused of a broad plot to steal secrets involving U.S. warship technology yielded a single, dressed-down count of failing to register as foreign agents. While government authorities said they may seek more charges, some counterintelligence analysts see parallels with other cases against alleged Chinese spies that eventually unraveled. "There's one case after another where senior officials allege serious activities ... and then the case just falls apart and you end with minor-looking charges," Paul Moore, a former China chief analyst for the FBI, said Wednesday. "This looks...