FROM the first session,it was evident that the 27th African Union (AU) Summit convened in Kigali,Rwanda from July 10-18 was different.For starters,as she welcomed the African leaders,AU Commission Chairperson Nkosazana Dlamini-Zuma was simultaneously being bid farewell with a series of recognition awards for her four-year stint.Thus,the summit was undergirded by the campaigns for the top post that usually mark leadership transitions.