In the 45th month since Beijing imposed a national security law on Hong Kong, the city saw the passage of its own legislation with new offences and tougher punishments, a broader definition of sedition, new restrictions on detainees and tighter rules on early release from prison. While officials celebrated the “historic” passage of the law, calling it a constitutional duty dating back to the 1997 Handover, foreign governments and groups voiced a range of concerns. Landmark national security trials continued. By the end of March, the pro-democracy media mogul Jimmy Lai had been on trial for ove…