Harris chooses Minnesota Gov. Walz as running mate; Most Americans say they haven't heard of Walz or have no opinion of him; Slow-motion tropical storm Debby brings days of torrential rain and flooding risk; and more on tonight's broadcast.

Noah Lyles wins bronze in the 200 meters, then reveals he has Covid; Harris and Trump to face each other in September debate; Bodycam video reveals more about the attempted assassination of Trump; and more on tonight's broadcast.