Absolutely, the press knew, I knew due to the evidence, things like when he called his opposition 'George' and other similar gaffes.
I find it truly bizarre that the hardcore Biden supporters STILL refuse to admit that their horse is failing, even with continual gaffes. The latest were when he touched the arm and back of King Charles, and appeared to not know where he was or what he was doing when inspecting the troops,when the King had to try to get him to stop talking.
Most rational Democrats realize that he is an embarrassment and unfit to run again, and will be lucky to be allowed to continue this term. Most rational Democrats realize, and admit they were wrong in voting for him, just to keep Trump out.