Azu Ishiekwene  The 30th summit of African Union leaders in Addis Ababa on Monday came at a moment when the continent is struggling to find its bearings.  And we didn’t need Donald Trump’s slur to remind us of the work that still needs to be done. After years of violent conflicts, Liberia just had a peaceful transfer of power, which ushered in former world Footballer of the Year, George Oppong Weah, to office as elected president.  It was a remarkable event not just because it was the first peaceful transfer of power in...