Ideally, you'd have gotten, "I talked to Biden just last week. That's not the guy I saw up there. He was exhausted from travel and a cold" would have been an easy talking point. But they aren't making it because (by all accounts), he has been insular both before and after. 1/
Even when Pelosi went on TV to defend him and try to redirect back onto Trump's (very real) impairments, she had to admit that she hadn't spoken with Biden since the debate, and it had been a week. 2/2