For Jacob Makambwe, trade is what earns him bread and butter for his family of six. Mr Makambwe, 38, lives in Lusaka, but trades in any part of the Southern African Development Community (SADC) where he finds business. He travels across borders, sometimes via Chirundu, Beit Bridge, Mwami or Nakonde-Tunduma ports. Currently, he has ordered 10,000 bags of soya beans from Malawi, which he hopes to bring into Zambia where demand for the product is high. South Africa, though is one of his regular destinations for orders and deliveries, it being the economic hub of the region. However, he feels doing business in SADC is not as easy as per commitment of regional leaders at their annual summits. Free movement...