Biden reportedly failed to remember top aides’ names and once didn’t recognize George Clooney. Aides also worried he would need a wheelchair.

After Joe Biden’s cancer diagnosis and Representative Gerry Connolly’s death, some in the party want more elected officials, as one Democrat put it, to seek an earlier “escape hatch from politics.”

Joe Biden's prostate cancer diagnosis spotlighted a long-standing push by health providers to improve understanding of the deadly disease.

From Grover Cleveland to John F. Kennedy and Donald Trump, examples abound of presidential maladies being minimized or kept secret.

Joe Biden and Jill Biden have been at each other's sides through celebrations and challenges, such as his recent prostate cancer diagnosis.

I don’t think it was a cover-up," said California Democrat Rep. Ro Khanna, "but I do think that the advisers and people close to Joe Biden owe an explanation."

For more audio journalism and storytelling, download New York Times Audio ... a painful re-examination of what went wrong with Joe Biden’s campaign for re-election, and the Trump White House ...