Donald Trump lies about President Biden's response to Hurricane Helene. Also, Vice President Harris slams Trump's "concepts" of a health care plan. Plus, Democrats spend big on key races in an effort to keep the Senate majority. And Mary Trump discusses her new book, "Who Could Ever Love You: A Family Memoir." Quentin Fulks and Sen. Gary Peters also join Lawrence O'Donnell.

Liz Cheney rallies support for Harris in Wisconsin. Plus, Kamala Harris is endorsed by 700+ bipartisan national security leaders. Also, Senator Tammy Baldwin faces Trump-backed Eric Hovde. Susan Rice, Sen. Tammy Baldwin, Simon Rosenberg, and Stuart Stevens join Lawrence O'Donnell.