Being a progressive just basically means campaigning on bringing down the establishment and then when given the leverage to move towards it, deciding to become the establishment instead
It's not really possible to challenge the status quo from within the billionaire owned two party cage. The Democrats are as much a part of that establishment as the GOP & they work tirelessly to defend the existing system. Transformative progress isn't possible inside that systempic.twitter.com/Wne1XDan3N