FILE – President Joe Biden walks along the Colonnade at the White House with his physician Kevin O’Connor, Aug. 28, 2023. O’Connor, known to President Joe Biden and others around the White House simply as "doc", has been a part of the president’s life for more than a decade and was a central figure to the family when Biden’s son Beau was dying of cancer. (AP Photo/Manuel Balce Ceneta, File)