Too often developments in one country are seen in isolation. In southern Africa events in one affect others in the region.
Are we witnessing the end of an era in which dictators stayed in power for decades? If so this must be good not only for Angola and Zimbabwe but for southern Africa as a whole.
Angola's president-elect, João Lourenço, has a reputation for relative probity. But, he's unlikely to rock the boat as Eduardo dos Santos remains party chairman.