 White House Press Secretary Karine Jean-Pierre would not confirm details of several visits by a Parkinson's expert. It doesn't matter how hard you push me. It doesn't matter how angry you get with me from here. She says privacy concerns prevent more answers, noting thousands of military personnel get medical treatment at the White House Medical Unit. As for President Biden, she says he has been examined three times by a neurologist as part of his annual physical and has not shown any signs of a stroke.