THE constitutional crisis in Mali was successfully settled when Dioncounda Traore,head of the country's National Assembly,was sworn in as the president of the interim government on April 12.As Mali is a big country in West Africa with an area exceeding 1.24 million square km that occupies an important geographical position,the successful settlement of the constitutional crisis in the country will exert positive influence in dealing with the secessionist force in its north,prevent the Al-Qaeda force from penetrating into North Africa and maintain regional peace and stability.