Heading into the vice presidential debate, Tim Walz is fighting nerves  CNNVP debates may alter a close race’s dynamic even when they don’t predict the winner  NPRVance faces biggest moment of political career with debate  The HillElection Live Updates: Vance and Walz Campaign in Swing States Before V.P. Debate  The New York TimesThe JD Vance and Tim Walz debate is likely the last big night of the 2024 campaign. Here’s what to expect.  Business Insider