Barring everything else about him, this says he has long recognized that he has trouble walking and climbing stairs due to childhood polio and I really wish we could normalize wheelchair use as needed for people who are ambulatory but have difficulty.
PBS News"His bout with childhood polio continues to be a significant factor in his mobility. He is not yet medically cleared to leave the rehab facility and return to the office," said the statement from the physician's office in Congress. https://to.pbs.org/4h0x9tz