Listen to Liz Cheney's speech at Kamala Harris' rally in Wisconsin. MSNBC's Katie Phang hosts and is joined by Molly Jong Fast, Tara Dowdell, Christine Todd Whitman and Tim Snyder.

MSNBC's Ari Melber hosts "The Beat" on Monday, October 7, and reports on Kamala Harris' recent media blitz, Elon Musk's appearance at Donald Trump's rally and the one year anniversary of the Hamas-led attack on Israel. Martin Fletcher, Rob Reiner, Kamau Bell and Christina Greer join.