Republican vice presidential nominee JD Vance also plans to undercut Democratic vice presidential nominee Tim Walz’s image as a moderate by painting him as a liberal. | Jamie Kelter Davis for POLITICO Ahead of his first and likely only national debate of the presidential cycle,

Tim Walz and JD Vance will meet for their first and possibly only vice presidential debate Tuesday, in what could be the last debate for both campaigns to argue their case before the election.