 It's 644. I'm Michelle Bash. And I'm John Aaron. Rambling answers, falsehoods and misstatements. Those are just some of the takeaways on the substance of last night's testy first debate of the 2024 presidential campaign. Joining us live, CBS chief foreign affairs correspondent Margaret Brennan, also moderator of Sunday's Face the Nation on CBS. Good morning, Margaret. It was a rough night at times for President Biden on stage, and it has triggered a wave of panic among some Democrats. Can we talk more about it here?