Tim Walz are facing off for the vice presidential debate on Tuesday — one of the biggest nights of the campaign for both men. But VP debates are often viewed as the undercard. The only VP debate to have a higher viewership than the presidential events was the 2008 debate between Joe Biden and Sarah Palin.

The two running mates will spar on Tuesday night in what’s expected to be the last big campaign event before the Nov. 4 election.

JD Vance (R-Ohio) and Minnesota Gov. Tim Walz have not been in the national spotlight nearly as long as Vice President Kamala Harris and former president Donald Trump. So when they face off Tuesday night,