On Africa 54: South Africans join the rest of the world in observing Nelson Mandela International day, an annual celebration focused on remembering the nation’s first democratically elected president and liberation hero. Plus, JD Vance, the running mate to former U.S. president and Republican candidate in the elections scheduled for November, Donald Trump, formerly accepts his nomination and embraces the “America First” approach on foreign policy and security. This and other news-related updates on today’s Africa 54!