Hot microphones and no live audience: What are the rules for CBS vice presidential debate?

JD Vance and Tim Walz, running mates for Donald Trump and Kamala Harris respectively, are set to debate on October 1. The event starts at 9 pm ET and is hosted by CBS News with moderators Norah O’Donnell and Margaret Brennan. Notably, there will be no live audience, and the format includes closing statements only.