 For Collins Design Build, ABC on these stories shortly. ABC News, I'm Sherry Preston. In a few hours, the rematch begins. The first debate of the 2024 presidential campaign. ABC's Rachel Scott with more on why it's a first in a lot of ways. So there will be no studio audience. The candidates' microphones will also only be turned on when it is their turn to speak. You have two of the oldest candidates in history to ever compete remotely.