Federica Mogherini will begin her visit to the Horn of Africa in Addis Ababa, Ethiopia where the African Union Summit is taking place and she will meet several heads of state or government in the margins. African Union summit in Ethiopia focuses on refugees https://t.co/PkSwnjwpFM pic.twitter.com/ohFwAt9YHG — Al Jazeera Breaking News (@AJENews) February 7, 2019 In Ethiopia Mogherini is due…