 can legitimately be questioned by voters. So what you've got then is Biden's campaign trying to stem this trickle of concern to stop the floodgates opening. We've had President Biden speaking at a fundraising meeting this evening, saying that what happened on that debate stage was that he was exhausted because of all of his recent international travel. He tried to make a joke of it, saying that he practically fell asleep on stage. But how well that actually goes down, of course, remains to be seen.