This is just pathetic. Bernie has been part of the Democratic caucus and supported every Democratic Presidential nominee long before Warren stopped being a Republican.
Good to see the attack lines are already being polished for 2020.
But yes, this doesn't surprise me; Clinton has picked up such a diverse range of 'allies' (e.g anyone who's worked with her) that it's not that unlikely to imagine lots of staffers and other types supporting her. As someone who supported Clinton in 2016, I could easily see myself supporting Warren.
The only people who wouldn't support Warren would be the weird type of Democrats who'd claim that she's 'anti-business'.
