I think you’re correct, her polls are her lifeline at this point. If she shows up like she did in 2008 in Iowa which was 3rd place, (And I believe 2nd place will be good enough against that creepy totalitarian babbling curmudgeon “Bernie”) that’s going to be good enough for the party to realize they need to activate plan (B)iden.
The Trump Revolution [a prediction already unfolding]
http://www.freerepublic.com/focus/f-chat/3381137/posts