New details are emerging about the negotiations to end the US-Iran war. The race for an open Senate seat in Texas is heating up just hours after a GOP primary run-off. Rescuers say they’ve found five of seven people trapped in a cave in Laos. We tell you why the Minneapolis police chief, a central figure in several major shootings in the city, has resigned.  Plus, the American Cancer Society is expanding its colorectal cancer screening guidelines.Learn more about your ad choices. Visit podcastchoices.com/adchoices