By Hama Tuma: Some people know how to say thank you. Others wield knives and machetes on their benefactors. In Ethiopia, we mention children who bite the breasts of their feeding mothers. Ungrateful. And in reverse, we also say we do good but we only scoop ashes in return. Robert Mugabe has put it better: South Africans can remove the statue of a dead white man but cannot slap a live one and they can kill black South Africans. Read More…