Joe Biden had difficulty remembering names and dates, and often required extra meetings to make decisions in the final years of his presidency, his former chief of staff Jeff Zients told congressional investigators Thursday, according to people familiar with Zients' remarks.
Why it matters: Zients is one of the highest-ranking officials from the Biden White House to acknowledge that Biden's age affected his abilities — even as the 81-year-old president was seeking another four years in the Oval Office.
