 Tonight in Atlanta, Donald Trump and Joe Biden have their first debate of 2024. It will be the first time a sitting president and a former one have debated. For more on the issues and what's at stake, NPR national political correspondent Don Gagne joins us. Don, good to have you. Hey, glad to be here. Boy, you've covered a lot of debates. This one will be a little different in format. No audience. The candidates' mics will be muted when their time is up. How is that going to change the TV viewer experience?