The legalization of gay marriage in the US has sparked increased homophobia in Nigeria. Now fear is growing that Obama may bring up the issue during the Nigerian president's trip to the White House later this month.
This year's Caine Prize for African Writing has been awarded to Tope Folarin, for his short story, "Miracle". It's the first time the literary prize has been given to an African writer living outside of Africa. Marco Werman speaks with Tope Folarin.
A boat carrying 500 African migrants, many from Eritrea, caught fire and sank near the Italian island of Lampedusa this week. More than 300 are dead or still missing. A BBC reporter tried to make the same journey a few years ago to find out what drives people to take such a risk.