On Africa 54: U.S. President Joe Biden concludes his final visit to sub-Saharan Africa where he touted the Washington backed railway project which links Angola’s port city of Lobito to the Democratic Republic of Congo and Zambia. Plus, Namibians make history by electing their first female president, 72-year-old Netumbo Nandi- Ndaitwah of the ruling SWAPO party. This and more news-related updates on today’s Africa 54!