Across the African continent, the ancient tension between sovereignty and solidarity is playing out once more — this time at the border posts and cargo terminals that determine whether a grand trade agreement becomes lived reality or remains a document of aspirations. Nigeria, through its Ministry of Industry, Trade and Investment, is pressing fellow African nations to lower the walls that keep entrepreneurs, goods, and capital from moving freely, recognizing that the African Continental Free Trade Area can only fulfill its promise if people are permitted to pursue it. From Abuja to Togo's Bia