Obama’s Long-Awaited Trip to Africa
In his first trip to Africa since reelection, President Obama visits Senegal, South Africa and Tanzania to promote democracy and the continent as a growing market for U.S. businesses.
Evan Vucci / AP
U.S. President Barack Obama demonstrates "the Soccket Ball," which uses kinetic energy to provide power to charge a cell phone or power a light, during an event at the Ubungo power plant to promote energy innovation in Dar Es Salaam, Tanzania, July 2, 2013.
