LONDON   Revelations in the case of convicted US sex offender Jeffrey Epstein could have “huge ramifications around the world” and inflict lasting damage on constitutional monarchies, the head of an anti-monarchy group said following this week’s brief arrest of Andrew Mountbatten-Windsor, with police inquiries into the former royal continuing. Graham Smith, the chief executive of Republic, which advocates the elimination of the British monarchy, told Anadolu that the case had “blown open a lid