In her new memoir, she writes that she knew her husband was slowing, but believed he was still up to the job.June 2, 2026, 4:33 PM EDTJoe Biden’s advisers spent years delivering the message that the aging president was still sharp and fit for duty, while explaining away visible signs that he had grown disturbingly frail. But a new book by former first lady Jill Biden suggests that these reassuring portraits of an octogenarian president with enviable stamina were a bit embellished.Just a moment.We are getting your experience ready.