As the NATO summit ends, U.S. President Joe Biden highlights how Washington and its allies are supporting Ukraine — defending democratic values — and taking action to address global challenges. A plea for help is dispatched from a desperate group of sub-Saharan migrants stranded in a treacherous part of the desert area along the Tunisian-Libyan border. And the future of a Russia-Ukraine agreement to export Ukrainian grain to world markets is again in doubt. All this and much more coming up on today’s Africa 54!