Tunisia\'s Ennahda leader Rachid Ghannouchi and the country\'s new president, Moncef Marzouki, have been jointly nominated for the Chatham House Prize – awarded annually by the British foreign affairs thinktank \"to the statesperson who is deemed ... to have made the most significant contribution to the improvement of international relations in the previous year\". The other nominees are Archbishop Deng of South Sudan, Christine Lagarde, managing director of the International Monetary Fund and Jonas Gahr Støre, foreign minister of Norway.