Former President Obama repeatedly mocks Donald Trump during a Pennsylvania rally. Also, polls show a tight race for Michigan's open Senate seat. And a powerful new film shows the impacts of the Trump abortion ban crisis. Pennsylvania State Rep. Mandy Steele, Rep. Elissa Slotkin, and Jessica Yu join Lawrence O'Donnell.

Vice President Harris and Gov. Walz campaign in Pennsylvania and Wisconsin. And a new book by Bob Woodward details how President Biden and his team moved the Putin regime back from the brink on nuclear weapons. Quentin Fulks and Bob Woodward join Lawrence O'Donnell.