03/05/2014 (0600GMT)
Presented by Paul Henley with John Kampfner in London and Adaobi Tricia Nwaubani in Abuja
Last on
Sat 3 May 2014 06:06 GMT
BBC World Service Online
Presented by Paul Henley with John Kampfner in London and Adaobi Tricia Nwaubani in Abuja