Every year the G20 – a group made up of the world’s wealthiest and most powerful countries - meet to discuss and make decisions on global challenges: climate change, energy security, trade and conflict. For many years there have been complaints that many of those affected by those decisions aren’t represented. So with the African Union now a member, will this mean Africa’s voice will be heard more? Africa Daily’s Alan Kasujja speaks to Mikatekiso Kubayi, a researcher at the Institute for Global Dialogue at the University of South Africa.