He knows if he tells the truth, it’s over and he probably knows he’s not a good enough liar to get away with it if he lies, and it’s over. That’s when you wind up getting this ‘non-answer answer’ from a – one might suppose – incompetent hack, which then tells everyone the accusation is true.
On the other hand——–
A really cynical person might think that was the plan, as we’ve seen so many unforced errors in the Biden campaign to make one conclude some of his team are purposefully trying to sink SloJoe with something like ‘death of a thousand cuts’.
But that’s just me.