http://www.english.hadhramaut.info Hadi: Yemen overcomes all challenges via unification [The Source: SANA'A/hadhramaut.info/sabanews.net - 23/05/2011] Vice President Abd Rabu Mansour Hadi has said that Yemen has accomplished a huge achievements in different infrastructure fields and overcame all challenges since its unification day, 22th of May, 1990. In a statement to al-Wahda Newspaper, Hadi made reference to the country's current situations which raise concerns about Yemen's future at the social and democratic levels as well as the national unity.National principles which are represented by republican system, democratic approach and Yemen's unity are constants, Hadi said, adding they will be defended by those who have a moral conscience and national principle.