Throughout his presidency, critics and the media had questioned Biden's fitness to run the office, pointing to frequent gaffes and what many saw as a decline in his faculties.

Since former President Joe Biden’s office announced Sunday that he has been diagnosed with an "aggressive" form of prostate cancer that has spread to his bones, questions about the disease and conspir...

“The president’s decline was profound by the time he had that terrible debate, and now, it’s something we should be honest about.”