Tuesday on the News Hour, Minnesota Gov. Tim Walz joins the Democratic ticket as Kamala Harris' vice presidential pick. We look at how he could bolster support in the Midwest. Tropical Storm Debby stalls over the Southeast, dumping torrential rains on Georgia and the Carolinas. Plus, 140 stars over 50 years, the wall that memorializes CIA members who are rarely recognized publicly. WATCH TODAY’S SEGMENTS: A look at Tim Walz's record and political career https://www.youtube.com/watch?v=vZzjmgZE8qA Klobuchar says Walz is a 'unifying, optimistic force' https://www.youtube.com/watch?v=ByrVa6GNUPw New poll shows where presidential race stands with Harris https://www.youtube.com/watch?v=C5LeSq03agc News Wrap: Nobel laureate to lead Bangladesh's government https://www.youtube.com/watch?v=rMrVHMibGMQ Tropical Storm Debby dumps torrential rains on Southeast https://www.youtube.com/watch?v=KUR9XBoTvJk Neighborhood Nursing brings healthcare to people’s doorsteps https://www.youtube.com/watch?v=XGyPnWbaoXc The personal stories behind the CIA Memorial Wall stars https://www.youtube.com/watch?v=5Dyke3nwMPI Chef explores ingredients that changed the globe in new show https://www.youtube.com/watch?v=d2hgY4Yenic Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcasts Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews X: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: http://www.pbs.org/newshour 00:00 - Introduction 02:02 - Vote 2024 11:13 - Sen. Klobuchar 16:02 - New poll shows where presidential race stands with Harris 22:03 - News Wrap 28:17 - Deadly Storm 31:18 - Neighborhood Nursing 38:23 - Carved in Stone 47:38 - "Omnivore"