Vice President Kamala Harris attacks Donald Trump's agenda in a fiery campaign speech. Also, the Harris-Walz campaign vows to protect unions and workers. Plus, Harris and Walz rally in Wisconsin in their swing state tour. And Arizona prosecutors asked grand jurors not to indict Trump in the state's fake electors case. Lavora Barnes, Shawn Fain, Ben Wikler, and Andrew Weissmann join Lawrence O'Donnell.

Vice President Harris and Gov. Walz draw a massive crowd in Arizona. Also, a federal judge postpones Donald Trump's election interference case hearing until September 5. Plus, ethical issues continue to plague the Supreme Court. And Latino voters' support is crucial in key swing states. Arizona State Sen. Eva Burch, Rep. Eric Swalwell, Andrew Weissmann, Melissa Murray, and Mike Madrid join Jonathan Capehart.