On Africa News Tonight: Youth members of the African Union that are in attendance at the U.S.-Africa Leaders Summit say they applaud President Joe Biden for Washington's effort to boost relations with Africa while empowering its women, youth, and underserved communities. Egypt’s President Abdel Fattah al-Sisi has called on the U.S. to help his nation and Ethiopia reach an accord over a mega-dam on the Nile that poses a threat to water supplies in the region.