African Union (AU) has extended the tenure of the Horn of Africa envoy, former President Olusegun Obasanjo, despite protests from the government of the disputed Tigray region of Ethiopia. The protests, according to the Tigray leaders, is as a result of the closeness between Obasanjo and the Prime Minister of Ethiopia Abiy Ahmed. African Union Commission Chairperson, Moussa Faki Mahamat …