text:  So, Shane, let's talk about how this has all been playing out within the Democratic Party, within the Biden campaign over the past few days. And just to note, in our last episode about this with our colleague Peter Baker, the discussion, the idea of replacing Biden as nominee because of this debate performance had mostly been confined to pundits and a handful of former elected officials, which had given it an air of being kind of a fringe conversation. My sense is that that started to change. So just bring us up to speed.