President Barack Obama answers questions at a Young African Leaders Initiative Town Hall at the University of Johannesburg Soweto campus in Johannesburg, South Africa, June 29, 2013. (Official White House Photo by Pete Souza) President Obama’s signature engagement program in Africa has been the Young African Leaders Initiative (YALI), a new effort focused on building partnerships with the next generation of leaders on the African continent. The Washington Fellowship for Young African Leaders is a cornerstone of YALI, and it began this past weekend with the arrival here in the United States of 500 of Africa’s top business, government, and civil society leaders between the ages of 18 and 35.