29/07/2008 (Agence Europe) - US President George W. Bush has appointed Kristen Silverberg as the new United States ambassador to Brussels. She presented her credentials to the President of the European Commission, Jose Manuel Barroso, last week. Over the past three years Ms Silverberg was Assistant Secretary of State for International Organisation Affairs, before which she was Deputy Assistant to the President and Advisor to the Chief of Staff in the White House. In 2003, she worked in...