sometimes you just don't know what is true but even then there are signs;

Yesterday’s assault by the Democratic National Committee on the Joe Biden campaign has failed.

Thursday night, as soon as the Trump-Biden debate had started, anonymous DNC officials contacted their usual ‘liberal media’ contacts and denounced Biden’s performance. Even those media, like CNN and MSNBC, who have for years denied the obvious problems Biden has had, jumped onto the train. Biden, they said, should retreat.

The New York Times mobilized a slew of its opinion writers to convey the message:

• To Serve His Country, President Biden Should Leave the Race (Editorial)
• Joe Biden Is a Good Man and a Good President. He Must Bow Out of the Race. (Friedman)
• ‘God Help Us’: 12 Writers Rate Biden’s Performance at the First Presidential Debate
• ‘Is It Too Late?’ Four Writers on What Democrats Should Do About Biden.
• Kamala Harris Could Win This Election. Let Her.
• After That Debate, the Risk of Biden Is Clear
• Is Biden Too Old? America Got Its Answer.

But Joe Biden’s wife, Dr. Jill Biden, resisted the move:

President Biden knew immediately after stepping off the stage in Atlanta on Thursday night that the debate had gone wrong. In those first stricken moments after a raspy, rambling and at times incoherent performance, he turned to his wife, Jill Biden.
…
The first lady’s message to him was clear: They’d been counted out before, she was all in, and he — they — would stay in the race. Her thinking, according to people close to her, was that it was a bad night. And bad nights end.........more.....