Was that the time when he asked “What is this?” and Harris had to put her finger on the signature line and tell him to “Just sign your name here.”
With a president like Biden, what is needed for a vice president is someone who can read, has the will to do it, & also to insist that anything the president has to sign be written in a short, concise, understandable manner, and one item to each bill. This would save the whole country a lot of trouble. As it is, each bill seems to be written in such a way as to fool as many lawyers as possible.