Democrats are now between a rock and a hard place. Biden clearly showed his age at the debate. However he is still the democratic candidate who can garner the most votes from the independents. If he is replaced, the new candidate has no chance to beat Trump.
两位候选人再怎么不合意,也是选民选出来的,尊重民意就好,这方面民主党表现相当差,居然一片换人声浪,表现出对民主素养的缺乏,再不反省,就会落后于很多落后国家的选民了:)