With lighting, makeup, and camera angles you can make the old look young and the ugly beautiful. The Democratic machine is on the phase out of Biden through staged gaffes (pretty easy to do) to the death spiral of Biden. Fuel the rumor mill and begin the countdown. Can't just pull him out of office that would be too obvious, do it gradually so it is in the court of public opinion, for the good of the country and the health of poor old Joe, he needs to step in and Harris, who they planned for all along steps into the new regime.