 I don't think anybody's more qualified to be president or win this race than me. The president plans to visit several key battleground states this weekend. Daria Albinger, ABC News, New York. Mr. Biden acknowledged last week's debate wasn't his best moment. He blamed his performance on exhaustion. The growing list of Democratic mega donors who were calling for Biden to step aside for another candidate now includes Netflix founder Reed Hastings saying Friday night, quote, Biden is unfortunately in denial about his mental state.