 White House Press Secretary Karine Jean-Pierre has asked repeatedly about the president's health. And when asked about a Parkinson's expert who was at the White House several times in the last year, she would not say if it was for President Biden. I'm not going to confirm a name. It doesn't matter if it's even in the log. I am not going to do that from here. That is not something I am going to do. President Biden says he's staying in the race for the White House. CBS News Brief. I'm Jennifer Kuiper.