Three State Department officials, including two who oversaw security decisions at the diplomatic outpost in Benghazi, resigned in the wake of a review of security failures there, senior State Department officials told CNN Wednesday.

CNN's Errol Barnett visits Uganda's Makere University, where students are passionate about green energy.

Afrobeats -- with an S -- is the new sound of West Africa that is now tearing up dancefloors around the world.