Trump
Sanders
Warren
Williamson
Yang
Castro
Gabbard
Beto/Buttigieg have some support with the people but establishment is also propping both up.
Biden
Harris
Booker
Klobuchar
Gillibrand
Weld
Ryan
Blasio
Moulton
Bullock
Swalwell
Hickenlooper
Bennett
Inslee
Delaney
Yang, Castro, Gabbard, and Williamson can probably outlast the rest as long as base stays