At the BRICS summit over the weekend, the BRICS nations looked for ways to boost trade among their developing economies. Given the challenges each of them faces domestically, how will this bloc keep its allure? As the last member to be included in it, what is the role of South Africa? Global Times (GT) reporter Wang Wenwen talked to Professor Godfrey Netswera, director of the South African BRICS Think Tank based in Johannesburg, over these issues