 that I have command of all my faculties, that I don't need notes, I don't need teleprompter, I can go out and answer any questions at all. Meanwhile, concerns remain. In a few hours last Thursday, he referred to Ukrainian President Volodymyr Zelensky as President Putin and his own Vice President Kamala Harris as Vice President Trump. A new national NBC News poll finds 80% of all voters say they were concerned about Biden's mental and physical capacities.