31% in an 8-person race seems like a good “ceiling” to me, particularly given how many supporters of other soon-to-be-gone candidates put him as their 2nd choice:
To the extent Dems did any self-critique after 2016 - and they did almost none - they recognized the need to energize.
The strongest candidate vs. Trump is obvious:
The “Bernie Bro” narrative manufactured by the liberal establishment media going back to 2016 is a fraud: