With no more presidential debates planned between Vice President Kamala Harris and Donald Trump, the attention turns to their vice presidential running mates Minnesota Gov. Tim Walz and Ohio Sen. J.D. Vance, who are the candidates for the Democratic and Republican parties, respectively, in the 2024 election. The two face off in a debate Tuesday, Oct. 1. Here's a look at how to watch, what could be the big topics and who bettors are predicting will win.