ADDIS ABABA, Ethiopia ? The Nobel Peace Prize was awarded Friday to a dynamic young African leader whose sweeping reforms and surprising embrace of a bitter rival have been praised as an inspiration to the continent and a hopeful counterpoint to strongman movements far beyond it. Now the task for Ethiopian Prime Minister Abiy Ahmed is reining in the ethnic violence that followed the loosening of repressive controls, and resisting any urge to crack down. quot;He deserves it and the new challenge is keeping it,quot; one outspoken African activist, Nigerian Shehu Sani, said of the award. Abiy, a favorite to win despite speculation about young climate activist Greta Thunberg, told the Nobel...