It’s not difficult to imagine Joe Biden’s campaign imploding because of greater exposure of his mental condition (dementia?) as his airtime now will much greater (unless his team tries to hide him) with only two other candidates remaining in the Democrat primary race, and Bernie Sanders physical health is still a huge question mark, so Liz “Pocahontas” Warren has reason to stay in the race, just in case those two very old fellows decide or are forced to bow out.