On Africa 54: U.S. Vice President Kamala Harris, the Democratic presidential nominee, promises to take a tougher approach to immigration while supporting Israel and working toward a cease-fire deal in the Gaza conflict. Plus, international aid organizations say Israel will allow a series of daily humanitarian pauses for a large-scale polio vaccination campaign in Gaza following the resurgence of the contagious virus. This and more news-related updates on today’s Africa 54!