After mislabeling Biden's stage 4 prostate cancer diagnosis as "stage 9," which does not exist, Trump again raised questions about the former president's cognitive health

Jake Tapper and Alex Thompson's book has already generated a national debate about whether the White House deceived the public about the president's cognitive state and how Biden's late exit from the race undermined the Democratic Party's chances of stopping Trump.

The former president’s cancer diagnosis prompted an outpouring of well wishes and sympathy, as well as some whispered uncertainties that reflected a lack of trust in what he says about his health.