text:  When President Biden was back campaigning and rallying North Carolina Friday, he acknowledged his rough debate performance, but came on stronger with a clearer voice. Some voters at that rally, like David Tillum, say they are more anxious than ever now about the upcoming election. Biden was not strong. I suspect that they over-trained him. That opinion is shared by a senior administration official to ABC News in a conversation earlier today. You're listening to ABC News.