Pity we don't know how many of that 23% who say adding Warren would make them more likely to support Biden, come from voters not already part of Biden's 22%, and how many of those currently support Clinton. Biden does get another 7% saying they would "likely: support Biden if he actually ran, accordingly to the poll.
It's no accident that Politico has a squib that Hillary's going to retool, and become more accessible and "human," or "humanize" her, or something like that. I guess we will find out if Hillary really
is human, as opposed to a preprogrammed robotic space alien. The LA Times has a
humanizing piece as well.