 Biden's orbit, already small before his debate fumbling, has grown even smaller in recent days. Isolated as he battles a COVID infection at his home in Delaware, the president is relying on a few longtime aides as he weighs whether to bow to the mounting pressure to bow out. Is there anything that you would look to, you personally, not anybody else, not other pundits, not even perhaps family members, that you would look to to say, if I see that, I will reevaluate?