Nigeria negotiates $346m arms deal with US

The US government has approved a $346m arms deal with Nigeria which would include munitions, precision bombs and precision rockets. What is behind the change in a decade-long US policy about selling certain kinds of weapons to Nigeria?The mining of gold has been a key factor of Sudan's economy, and now it is a major source of funding of the two-year civil war. We look back at its history in Sudan, and how the war is driving demand.And one year on since Ghana's parliament passed its landmark Affirmative Action (Gender Equality) Act, which was hailed as a victory for women's rights, how have things changed?Presenter: Audrey Brown Producers: Tom Kavanagh, Nyasha Michelle and Stefania Okereke in London. Charles Gitonga in Nairobi Technical Producer: Philip Bull Senior Journalist: Patricia Whitehorne Editors: Andre Lombard and Alice Muthengi