 CBS Evening News anchor Nora O'Donnell reminds us performance is also important. And so the first presidential debate of the 2024 election season is in the books. President Biden opening this debate and continuing with a very shaky voice, a raspy voice that we have learned from advisers close to him that apparently he's had a cold for the past several days. But he also had a number of wandering answers during this debate. He had a number of