text:  A Democrat in Congress saying the debate was a disaster for Biden and questioning if Democrats should be backing someone else. But prominent Democrats have maintained their support for the president who tried to put his performance behind him. He was in Raleigh, North Carolina. I don't walk as easy as I used to. I don't speak as smoothly as I used to. I don't debate as well as I used to. But I know what I do know. I know how to tell the truth.