 I didn't listen to my instincts in terms of preparing, and I had a bad night. Stephanopoulos asked the president if he was more frail than he was four years ago and had any other declining conditions. Mr. Biden said no. He asked President Biden if he'd take a cognitive test. He indicated no, saying every day dealing with global issues and world leaders is a cognitive test. Afterwards on, sources saying Mark Warner is trying to assemble fellow Senate Democrats to talk about Mr. Biden.