Nbc Nightly News

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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.