Awwal 10, 1432 / April 14, 2011, SPA -- The United Nations (U.N.) Secretary General's Political Advisor Jamal bin Omar has expressed optimism on the success of the Gulf initiative to end the political crisis in Yemen, stressing his support for the initiative of the Gulf Cooperation Council (GCC) Member States. At the end of his visit to Yemen, Jamal urged all parties in Yemen to deal with the GCC initiative in the interest of the country.