Testimony and commentary raise questions about Biden's fitness, aides'roles and use of signature tools

Witnesses and commentators at an Oversight and Reform: House Committee hearing and in related coverage exchanged conflicting accounts on whether President Joe Biden has experienced cognitive decline, raised questions about who has exercised decision-making authority inside the White House, and reported that at least one witness asserted a Fifth Amendment privilege.

Multiple speakers described noticing changes in the president's physical presentation and speech over his term. One person said, "I do not recall ever seeing President Biden in a wheelchair," and another described noticing that "he shuffled more" and that "he has more stumbling over words and gasps than he did" earlier in the term. Speakers disagreed on whether those observations showed incapacity: one speaker said, "I said I had not seen decline, and I hadn't," while other remarks noted a perception that rhetorical skills and overall effectiveness had lessened.

The hearing excerpt and commentary also covered internal White House management. A commentator summarized that "senior aides" who left their…