 I feel as long as I gave it my all and I did the goodest jobs I know I can do. That's what this is about. President Biden will visit more battleground states this month, including an event in Pennsylvania Sunday. In that interview, President Biden dismissed calls for him to take a neurological test, claiming his job performance is proof enough of his mental faculties. Meanwhile, the president's fight to stay in the race is also a struggle to regain the confidence of congressional Democrats.