Ari Melber previews Walz-Vance debate

The Beat with Ari Melber - A podcast by Ari Melber, MSNBC

MSNBC's Ari Melber hosts "The Beat" on Tuesday, October 1, and previews the Walz-Vance debate. Plus, Pennsylvania Governor Josh Shapiro joins. Juanita Tolliver, Howard Dean and Ofirah Yheskel also join.