In the months leading up to last week’s watershed presidential debate, the White House angrily pushed back against any suggestion that Joe Biden’s declining cognitive fitness was interfering with his ability to perform the toughest and most important job in the world.
In March, when the special counsel investigating Mr. Biden’s handling of classified documents after he stepped down as vice-president described him as “an elderly man with a poor memory,” Democrats circled the wagons and attacked the messenger. The special counsel, they countered, was a registered Republican.
