Nigerian President Goodluck Jonathan smiles during a press conference at the South African Parliament in Cape Town, on May 7, 2013. The leaders of Africa’s two biggest economies, South Africa and Nigeria, pledged closer ties on Tuesday in what was hailed as a milestone in a sometime patchy relationship. President Jacob Zuma rolled out a red carpet for his counterpart Goodluck Jonathan as ministers signed nine sectoral pacts covering oil and gas, power, defence and communication. AFP PHOTO / RODGER BOSCH