Fighting has erupted again around the borders of Ethiopia's northern Tigray region, shattering a ceasefire declared in March. We’ll explain why the ceasefire has collapsed and what prospects there are for peace talks; In an exclusive interview with VOA, Nigerian presidential candidate of the Labor Party, Peter Obi discusses how he is countering the APC and the PDP; And in our entertainment segment: More highlights from 5-time Grammy Award winner, Ladysmith Black Mambazo’s Washington, DC concert.