Nightline Africa: US President Joe Biden’s visit to Angola. Angola's foreign minister hails the renewed focus of the Lobito Corridor project as an important infrastructural measure for the country and a significant boost to regional integration. The Electoral Commission of Namibia allows voters to cast their ballots on Saturday -- days after polls were scheduled to have closed. In Uganda, the leader of the opposition Uganda People's Congress, or UPC, says nothing will stop him from running as a presidential candidate in the next general election. Plus, a Burundi political analyst welcomes the decision of the government to release some 4,000 prisoners in a move to reduce overcrowding in the country's jails. For all this and more tune in Nightline Africa.