House Republicans want to hear from former President Joe Biden’s doctor and four key aides to discuss his mental and physical decline — after the ex-president, 82, revealed Sunday that he has prostate cancer ahead of the Tuesday release of a bombshell book on the concealment of his waning mental faculties as he sought re-election last year.

President Donald Trump trusts White House doctors despite Biden's prostate cancer diagnosis, amid speculation that they may have missed it.