Relevant portion of interview here.

“I think it’s a legitimate question to say, is this an episode or is this a condition? When people ask that question, it’s completely legitimate — of both candidates.”

Of course she’s quick to “both-sides” the night, but that’s politics for you. If she’s saying this during an interview, I can only speculate on what’s going on behind closed doors. The wagons are not closing around the Biden campaign.