Tim Walz introduces himself to Americans

Minnesota Governor Tim Walz took the stage to introduce himself to Americans Wednesday night during the third day of the Democratic Convention. The event closes out Thursday when Kamala Harris accepts her historic nomination. President Biden in a call with Israeli Prime Minister Benjamin Netanyahu stressed the urgent need to seal a deal for a Gaza ceasefire. Protests in Indonesia and flooding in Bangladesh. Plus, a look at how AI is being used to give real-time alerts to swimmers about polluted water.