text:  From ABC News, I'm Chuck Sievertson. Amid behind-the-scenes doubt and hand-wringing by some Democrats over his debate performance and calls by some to drop out, President Biden has been out at rallies with a stronger voice, attracting crowds and more money. ABC's Mary Alice Parks. First Lady Jill Biden addressing donors behind closed doors, reportedly saying she told the president, look, Joe, we're not going to let 90 minutes define the four years you've been president. Biden returning to the campaign trail. He's the best!