Africalink on Air - 16 April 2013To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMwakideu, Chrispin04/16/2013April 16, 2013Ghana's highest court begins hearing an election petition challenging President Mahama's win+++South Africa's President Zuma visits Nigeria+++US President Obama says the Boston marathon bombings was an act of terrorism.https://p.dw.com/p/18H2UAdvertisement