Scrutiny over former President Joe Biden’s decline is already testing 2028 hopefuls, particularly those who were involved in his administration. The announcement that Biden was diagnosed with an aggressive form of prostate cancer on Sunday came amid a fresh reckoning in the party over the former president’s mental acuity and whether he should have withdrawn

The focus on the former president comes as the party needs to look forward rather than backward to exit the political wilderness.

The revelation of former President Joe Biden ‘s cancer diagnosis has seemed to halt the ongoing debate over his fitness for office. But the co-author of the new book “ Original Sin ” tells Variety that conversation is fair, and should continue.

President Joe Biden's "aggressive" prostate cancer has led to renewed interest in his health during his presidency

Questions about Joe Biden’s cancer diagnosis have been among the most searched on the internet since he announced his illness Sunday morning. How could the disease have gone undetected in the former commander in chief,