LAHORE PML (Zia) chief Ejazul Haq while announcing holding a Defence of Pakistan moot at Minar-e-Pakistan on December 18 said that he will invite 27 political parties including PTI, PML-N and Jamaat-e-Islami to ponder upon the issues facing the country and make efforts to devise a joint strategy to bring down the corrupt set up. He made this announcement while addressing a press conference at a local hotel on Monday. Ijaz criticizing the PPP-led government for its poor governance claimed that the troika including Prime Minister, President and US were responsible for compromising the sovereignty of Pakistan.