US Secretary of State John Kerry meets with South African Foreign Minister Maite Nkoana-Mashabane in Addis Ababa, Ethiopia, Saturday May 25, 2013. (AP Photo/Jim Young, pool) by Kirubel TadesseADDIS ABABA, Ethiopia (AP) — The African Union on Saturday marked 50 years since the founding of a continentwide organization that helped liberate Africa from colonial masters and which now is trying to stay relevant on a continent regularly troubled by conflict.
