 Andrew Bates, White House spokesman, said on Tuesday the president was working well before the 11 a.m. start time each day after exercising. By exercising, I mean doing pool calisthenics. Still, at a fundraiser on Tuesday evening, Mr. Biden blamed fatigue for his debate performance and said, I wasn't very smart. I decided to travel around the world a couple times. I don't know how many time zones. He added, I didn't listen to my staff. I came back. I fell asleep on the stage. Nope.