Tonight on The Last Word: 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.