Vice President Kamala Harris has officially chosen a running mate, Minnesota Governor Tim Walz. Plus, a look at Walz's congressional record and how he compares to JD Vance. And, how the stock market rebounded after its major loses from yesterday. Basil Smikle, Yamiche Alcindor, Jasmine Wright, Blois Olson, Dave Weigel, Doug Jones, Mark McKinnon, Dan Nathan and David Gura join The 11th Hour this Tuesday.

Polls show a tight race between the Trump-Vance and Harris-Walz campaigns and Trump seems to be struggling. Plus, Trump and Kamala Harris finally agree to a debate with ABC News on September 10. And how Trump's media company would impact a potential second Trump administration. Peter Baker, Carol Leonnig, Yamiche Alcindor, Tim Miller, Bob Torricelli, Ken Martin, and David Freedlander join The 11th Hour.