Six countries will be joining the BRICS group of nations next year. The annual BRICS summit held in Sandton, Johannesburg announced the admission of Argentina, Egypt, Ethiopia, Iran, Saudi Arabia and the United Arab Emirates into the bloc. The membership of the new countries will come into effect in January next year. So what does this new BRICS expansion entail? To answer this and more, Elvis Presslin spoke to Professor Chris Landsberg, Director of the Centre for African Diplomacy and Leadership at the University of Johannesburg