A look at the rules of the VP debate between Vance, Walz

The vice presidential debate between Sen. JD Vance of Ohio and Minnesota Gov. Tim Walz at the CBS News Broadcast Center in New York City Tuesday night will feature no audience, and the candidates and their campaigns will not get a chance to look at the questions or topics ahead of time. Here’s a behind-the-scenes look at the debate stage and an explanation of the rules.