Hazani Ghazali receiving his letter of appointment, flanked by Wawasan president Hamzah Zainudin (right) and chairman Rais Yatim. (Facebook pic) PETALING JAYA: Former Bukit Aman internal security director Hazani Ghazali has joined opposition leader Hamzah Zainudin’s Parti Wawasan Negara. Wawasan also announced that Hazani, the former Border Control and Protection Agency director-general, had been appointed to the party’s central leadership. “Con…